right now in auto

  • Is gasoline more dense in the morning?

    Is gasoline more dense in the morning?

    Everybody says it so it must be true, right? "Buy your gas in the morning when it's cooler, and it will last longer." Well, the science behind this theory is sound, but in reality, it won't save you much.

  • How Coal Rollers Work

    How Coal Rollers Work

    In a truck pull competition, excessive clouds of diesel smoke are a byproduct of the truck's functionality. But coal rollers have taken this idea from the county fair to the public roads — all in the name of making people angry.

  • 10 Tips for Teaching Your Kid to Drive

    10 Tips for Teaching Your Kid to Drive

    Teaching your kid to drive can be a lot of fun. Or a challenge. Or a complete nightmare. Whatever the case may be, these tips will make your transition from driver to teacher a bit less crazy-making.

  • Can ethanol damage your engine?

    Can ethanol damage your engine?

    Specially engineered Flexible Fuel Vehicles (FFVs) can tolerate an E85 mixture of gasoline and ethanol. But will ordinary cars and trucks be able to stand up to the new blend?

  • Is gasoline more dense in the morning?
  • How Coal Rollers Work
  • 10 Tips for Teaching Your Kid to Drive
  • Can ethanol damage your engine?
WHAT'S INSIDE: AUTO
The HowStuffWorks Auto Section contains articles about everything from engine workings to classic cars. Learn about cars on HowStuffWorks Auto.
  • Auto Basics
  • Tech and Transport
  • Auto Parts & Systems
  • Auto Racing
  • Buying & Selling
  • Car Models
  • Driving & Safety
  • Fuel Efficiency
  • Motorcycles
  • Trucks
  • More Topics
More To Explore
You Might Also Like
1958 NASCAR Grand National Recap

The 1958 NASCAR Grand National season was led by old pro Lee Petty. Fifty-one events comprised the 1958 NASCAR Grand National season. See these event statistics, season highlights, and photos in this 1958 season recap.

1994 BMW R1100RSL

The 1994 BMW R1100RSL motorcycle featured BMW's traditional 'boxer' twin engine. Equipped with adjustable handlebars hand controls seat and windshield the RSL could also be fine-tuned to almost any rider's personal tastes. Learn about the RSL.

  • Most Popular