I've heard that maintaining your car tires improves gas mileage. Is it really true? --Daryl B., Allen, TX
Improperly inflated tires require more energy to maintain speed, which burns gas. Blow those wheels up right and you can improve your mileage by around 3% compared with underinflated tires. “Check the sticker on your car’s doorjamb and it’ll tell you what pressure to use on your tires,” says Tony Quiroga, senior editor at Car & Driver magazine.
More from Ask Men's Fitness:
- The 50 Best Cities for Sports FansThe stands are always full in these towns, which boast the best stadiums and sports bars in America.
- Instantly Improve Your PlankBuild core strength and stability with these tips on intensifying the plank.