Three or four days after buying my first car, I came to a disturbing revelation: Paying for your own gasoline is expensive! You don't realize just how much of a pain in the butt it can be—and how much junk advice is out there on the Web—until the entire financial burden rests solely on your shoulders. So I decided to geek out, learning everything I could about how to squeeze more miles per gallon into every fill-up—and share it with the rest of the pump-fearing masses.
Over the past couple years, I've tried every gimmick—acetone, fuel-line magnets, intake air swirlers, you name it—to top out on gas mileage with my 1991 Honda CRX. Needless to say, these gimmicks didn't get me anywhere—as Popular Mechanics' own Mike Allen has proved so many times, and he's debunking them once again. So I jumped on the fuel-economy bandwagon with the next generation of Mike Allens. Some call us hypermilers, but at my MPG forum and blog, we go by ecomodder—someone who combines car tweaks, behind-the-wheel techniques and some basic skills to cut back on trips to the gas station.
My new lifestyle has taken me from an average (but very unsatisfying) 30 mpg to an efficient 55 mpg in the last year, and the 70 mpg mark is looming on the horizon. With gas prices hovering around $4/gallon and forecasts scouting even worse news, getting even more out of every gallon of go juice has become even more important to me—and you can get in on the action, too.
Being a bit of a tech- and gear-head, some of my mods (such as converting my automatic transmission to manual, with my lean burning Japanese-market Civic VX engine just arriving in the mail for a transplant) might seem a bit extreme. Still, while I've beaten the 27-mpg EPA rating on my CRX by over 30 percent with the best practices below, there's so reason you can't go out and cut at least 10 percent before a summer road-trip weekend. These simple tricks will definitely help you save fuel—without ripping your car apart.
1. Track Your Mileage in Real Time
Knowing what your consumption looks like from tank-to-tank is important, but that's really not enough. Knowing what mileage you're getting in real time—being able to compare it to what you got yesterday or even 10 minutes ago—is the new way to drive these days.
Luckily, ecomodding combines the love of saving money and adding gadgets to my car. People with cars made after 1995 have it relatively easy: All you need to do is throw some money at a fuel-economy computer like the Scangauge, and you're instantly instrumented. For older cars, you may need to get your knuckles dirty by installing a vacuum gauge, which measures how hard the engine is working, or explore the growing world of DIY fuel-economy electronics, like the arduino-based MPGuino. Either way, a conscious mind combined with instant feedback should get you that instant 10 percent.
2. Only Brake When You Have to
I recently found myself fighting against a 20-mile backup passing through Hartford, Conn. The traffic wasn't exactly stop-and-go, but the pack was constantly speeding up and abruptly slowing down. So I did something a little different.
When everyone started taking off, I gave myself a 10- or 15-second buffer before hitting the gas and accelerating. By accelerating slowly and leaving space ahead, I could see the brake lights ahead before I expended a significant amount of gas, coasting right back up to the car in front of me. If I timed it just right, my Honda would meet the car just as it started up again, without using the brakes at all. My gas mileage actually went up to over 70 mpg while sitting in traffic!
3. Always Stay Alert on the Road
To drive without brakes or coast toward stops effectively, you have to know what's going on around you and be able to anticipate how traffic will play out. That means paying attention to the lights on your daily commute—heck, memorizing them—and trying to anticipate whether they will, say, turn green by the time you get there. And, again, always look several cars ahead to see if the brake lights are starting to come on in anticipation of a coast.
4. Drive Like You're on a Bike
OK, don't necessarily go 20 mpg out there, but try to imagine biking over the same route that you're driving on: When you're headed uphill, it takes a lot more effort to maintain speed than it does going down, so give the car a break and let yourself lose a few mph on the way up. Relax, you'll easily get it back on the other side. Your car burns the most gas when it's forced into high-load situations, so try to remember what makes biking difficult (like going really fast, accelerating really hard and speeding up hills), and make those situations as painless as possible by laying off the gas.
5. Make Your Car Your Own
Every mainstream passenger car is a compromise built with many different drivers in mind. Because there are all too few vehicles built specifically with gas mileage as the primary design element, there's a lot of improvement to be had in modifying your existing ride. Some people will do little things to improve aerodynamics, like adding a grill block, smooth wheel covers or rear-wheel skirts. Others will remove alternators, swap engines or convert their car to run all-electric. Either way, optimizing the design of your car is one of the most effective ways to improve fuel economy. After all, it was my automatic-to-manual conversion that really boosted me from the high 30s and low 40s to that 55-mpg territory.
6. Pump Up Your Tires—Really
One of the biggest areas in which manufacturers compromise fuel economy for comfort is in tire pressure. That 32-psi rating is mainly there to make the ride smooth as silk, even as you run over potholes and pedestrians. It can be controversial, but believe it: To get the best mileage out of your car, up the pressure to the maximum listed on the sidewall. The ride will get a bit rougher, but your rolling resistance will be reduced and you'll get better gas mileage. But don't just do it once and forget about it! Make sure to check your tire pressure every other time you fill up, or you could be leaking air and losing MPGs.
7. Use the Right Ride for the Job
It may seem like a no-brainer, but it may be the ultimate fuel-saver: Why take a gas-guzzling SUV to work when a smaller, more efficient fuel-sipper will do? And if public transportation or carpooling is an option, you'll not only save on gas, but also wear-and-tear on your vehicle.
8. Multi-Task With Your Daily Routine
Are you going out to run weekly errands, or are you just dropping one letter off at the post office and coming right home? You will essentially cut distance traveled and fuel usage in half by making all your stops at once, instead of taking lots of short roundtrips.
9. Plan Your Route Ahead of Time
Take the path of least resistance. That's one with fewer stoplights, not as much traffic and, yes, lower speed limits. Even if you save 0.1 gallons of gas each day, you'll save more than $130 per year.
10. Avoid Rush Hour at All Costs
These days, many offices are offering flexible hours, so errands can be run at any time. Try to avoid being stuck in traffic if all you have to do is leave 30 minutes earlier or come in 30 minutes later. And, yeah, set those alarms and take off for the beach early this summer. With those prices at the pump, you deserve it.
Over the past couple years, I've tried every gimmick—acetone, fuel-line magnets, intake air swirlers, you name it—to top out on gas mileage with my 1991 Honda CRX. Needless to say, these gimmicks didn't get me anywhere—as Popular Mechanics' own Mike Allen has proved so many times, and he's debunking them once again. So I jumped on the fuel-economy bandwagon with the next generation of Mike Allens. Some call us hypermilers, but at my MPG forum and blog, we go by ecomodder—someone who combines car tweaks, behind-the-wheel techniques and some basic skills to cut back on trips to the gas station.
My new lifestyle has taken me from an average (but very unsatisfying) 30 mpg to an efficient 55 mpg in the last year, and the 70 mpg mark is looming on the horizon. With gas prices hovering around $4/gallon and forecasts scouting even worse news, getting even more out of every gallon of go juice has become even more important to me—and you can get in on the action, too.
Being a bit of a tech- and gear-head, some of my mods (such as converting my automatic transmission to manual, with my lean burning Japanese-market Civic VX engine just arriving in the mail for a transplant) might seem a bit extreme. Still, while I've beaten the 27-mpg EPA rating on my CRX by over 30 percent with the best practices below, there's so reason you can't go out and cut at least 10 percent before a summer road-trip weekend. These simple tricks will definitely help you save fuel—without ripping your car apart.
1. Track Your Mileage in Real Time
Knowing what your consumption looks like from tank-to-tank is important, but that's really not enough. Knowing what mileage you're getting in real time—being able to compare it to what you got yesterday or even 10 minutes ago—is the new way to drive these days.
Luckily, ecomodding combines the love of saving money and adding gadgets to my car. People with cars made after 1995 have it relatively easy: All you need to do is throw some money at a fuel-economy computer like the Scangauge, and you're instantly instrumented. For older cars, you may need to get your knuckles dirty by installing a vacuum gauge, which measures how hard the engine is working, or explore the growing world of DIY fuel-economy electronics, like the arduino-based MPGuino. Either way, a conscious mind combined with instant feedback should get you that instant 10 percent.
2. Only Brake When You Have to
I recently found myself fighting against a 20-mile backup passing through Hartford, Conn. The traffic wasn't exactly stop-and-go, but the pack was constantly speeding up and abruptly slowing down. So I did something a little different.
When everyone started taking off, I gave myself a 10- or 15-second buffer before hitting the gas and accelerating. By accelerating slowly and leaving space ahead, I could see the brake lights ahead before I expended a significant amount of gas, coasting right back up to the car in front of me. If I timed it just right, my Honda would meet the car just as it started up again, without using the brakes at all. My gas mileage actually went up to over 70 mpg while sitting in traffic!
3. Always Stay Alert on the Road
To drive without brakes or coast toward stops effectively, you have to know what's going on around you and be able to anticipate how traffic will play out. That means paying attention to the lights on your daily commute—heck, memorizing them—and trying to anticipate whether they will, say, turn green by the time you get there. And, again, always look several cars ahead to see if the brake lights are starting to come on in anticipation of a coast.
4. Drive Like You're on a Bike
OK, don't necessarily go 20 mpg out there, but try to imagine biking over the same route that you're driving on: When you're headed uphill, it takes a lot more effort to maintain speed than it does going down, so give the car a break and let yourself lose a few mph on the way up. Relax, you'll easily get it back on the other side. Your car burns the most gas when it's forced into high-load situations, so try to remember what makes biking difficult (like going really fast, accelerating really hard and speeding up hills), and make those situations as painless as possible by laying off the gas.
5. Make Your Car Your Own
Every mainstream passenger car is a compromise built with many different drivers in mind. Because there are all too few vehicles built specifically with gas mileage as the primary design element, there's a lot of improvement to be had in modifying your existing ride. Some people will do little things to improve aerodynamics, like adding a grill block, smooth wheel covers or rear-wheel skirts. Others will remove alternators, swap engines or convert their car to run all-electric. Either way, optimizing the design of your car is one of the most effective ways to improve fuel economy. After all, it was my automatic-to-manual conversion that really boosted me from the high 30s and low 40s to that 55-mpg territory.
6. Pump Up Your Tires—Really
One of the biggest areas in which manufacturers compromise fuel economy for comfort is in tire pressure. That 32-psi rating is mainly there to make the ride smooth as silk, even as you run over potholes and pedestrians. It can be controversial, but believe it: To get the best mileage out of your car, up the pressure to the maximum listed on the sidewall. The ride will get a bit rougher, but your rolling resistance will be reduced and you'll get better gas mileage. But don't just do it once and forget about it! Make sure to check your tire pressure every other time you fill up, or you could be leaking air and losing MPGs.
7. Use the Right Ride for the Job
It may seem like a no-brainer, but it may be the ultimate fuel-saver: Why take a gas-guzzling SUV to work when a smaller, more efficient fuel-sipper will do? And if public transportation or carpooling is an option, you'll not only save on gas, but also wear-and-tear on your vehicle.
8. Multi-Task With Your Daily Routine
Are you going out to run weekly errands, or are you just dropping one letter off at the post office and coming right home? You will essentially cut distance traveled and fuel usage in half by making all your stops at once, instead of taking lots of short roundtrips.
9. Plan Your Route Ahead of Time
Take the path of least resistance. That's one with fewer stoplights, not as much traffic and, yes, lower speed limits. Even if you save 0.1 gallons of gas each day, you'll save more than $130 per year.
10. Avoid Rush Hour at All Costs
These days, many offices are offering flexible hours, so errands can be run at any time. Try to avoid being stuck in traffic if all you have to do is leave 30 minutes earlier or come in 30 minutes later. And, yeah, set those alarms and take off for the beach early this summer. With those prices at the pump, you deserve it.
Benjamin Jones is the co-founder of Ecomodder.com.
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