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Can a car get 100 miles per gallon?
auto.howstuffworks.com/fuel-efficiency/fuel-economy/100-mpg-car.htm
The 100 mpg car is being promoted by Google.org in an effort to reduce oil use and harmful emissions. Learn all about Google's 100 mpg car program.
How the Rotating Detonation Engine Works
auto.howstuffworks.com/under-the-hood/trends-innovations/rotating-detonation-engine.htm
The U.S. Navy intends to retrofit its ships with rotating detonation engines. Learn more about rotating detonation engines at HowStuffWorks.
The Ultimate CO2-powered Dragster Quiz
play.howstuffworks.com/quiz/co2-powered-dragster-quiz
Auto racing is an expensive and technically complex hobby, but it can be just as fun when it's scaled down to where the car can fit in your hand. CO2 dragster racing lets you do just that. Think you have what it takes to build a CO2 dragster? Let's find out!
Top 10 Car Winterizing Tips
auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/car-winterizing-tips.htm
These tips for winterizing your car can keep you safe and your car running smoothly in the coldest time of the year. Learn how to winterize your car.
Test Your Automotive Knowledge With a Car Quiz!
play.howstuffworks.com/quiz/test-your-automotive-knowledge-with-a-car-quiz
Most of us drive cars to get to work, go shopping and visit friends. But how much do you actually know about the vehicle you drive each and every day? Start your engine, hit the gas and get ready to take our challenging car quiz to find out.
How E85 Ethanol Flex Fuel Works
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/how-e85-ethanol-flex-fuel-works.htm
Learn what E85 is and why some people believe this alternative fuel has the potential to reduce our nation's dependence on foreign oil.
How Plasma Converters Work
science.howstuffworks.com/environmental/energy/plasma-converter.htm
Plasma converters generate electricity for our homes by burning trash. Learn about plasma converters and see pictures of plasma converters plants.
What if I pumped pure oxygen into my car engine instead of using the air in the atmosphere?
auto.howstuffworks.com/oxygen-engine.htm
Pure oxygen in an engine would produce a dramatic increase in horsepower. Learn about pumping pure oxygen in an engine.
How Comets Work
science.howstuffworks.com/dictionary/astronomy-terms/comet.htm
Comets are remarkable pieces of our universe's past, and they tell us a great deal about how the universe was formed. Learn about the long but rewarding process of discovering and analyzing comets.
10 Fuel-saving Device Hoaxes
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/10-fuel-saving-device-hoaxes.htm
For more information about fuel-saving device hoaxes and related topics, check out these articles.