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Your search for "petroleum" returned 452 results
Are plug-in hybrids better than regular hybrids?
auto.howstuffworks.com/car-models/plug-in-hybrids/plug-in-hybrids-better-than-regular-hybrids.htm
Are plug-in hybrids better than regular hybrids? Visit HowStuffWorks to learn if plug-in hybrids are better than regular hybrids.
10 Hottest Green Design Materials
home.howstuffworks.com/green-living/10-hottest-green-design-materials.htm
Green design materials can be just as chic as less eco-friendly materials. Check out the 10 hottest green design materials.
Is Ethanol Bad for Your Car?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/ethanol-damage-engine.htm
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 Styrofoam Recyclable?
science.howstuffworks.com/environmental/green-science/polystyrene-recycling.htm
Polystyrene -- the plastic used in items ranging from plastic forks to take-out boxes to life rafts -- can be recycled, but not without costs. What does it take to recycle polystyrene?
5 Tips for Softening Scaly Elbows
health.howstuffworks.com/skin-care/moisturizing/tips/5-tips-for-softening-scaly-elbows.htm
These 5 tips for softening scaly elbows will keep skin moist and clean. Learn 5 tips for softening scaly elbows.
5 Ways to Get Nice Underarm Skin
health.howstuffworks.com/skin-care/underarm-care/tips/5-underarm-skin.htm
Underarm appearance worries cause some people to forego sleeveless options in summer. Here are five ways to banish underarm appearance concerns.
Can You Name These Makeup Brands From Their Motto?
play.howstuffworks.com/quiz/can-you-name-these-makeup-brands-from-their-motto
Maybe you're born with it. Maybe you're beauty obsessed! Only a true makeup maven can master this quiz, which is filled with catchy brand mottos and slogans. How many can you correctly identify?
Nature Craft Projects for Kids
lifestyle.howstuffworks.com/crafts/nature-crafts/nature-craft-projects-for-kids.htm
Nature craft projects for kids are fun, and kids will learn a lot too! Learn to do all sorts of nature craft projects for kids at HowStuffWorks.
What's new in synthetic oil technology?
auto.howstuffworks.com/under-the-hood/trends-innovations/synthetic-oil-technology.htm
Synthetic oil technology has evolved rapidly in recent years, so what's around the corner? Learn the future of synthetic oil technology in this article.
How Twinkies Work
science.howstuffworks.com/innovation/edible-innovations/twinkie.htm
Twinkies are an icon of junk-food snacks and guilty pleasures. Learn about Twinkies and find out if a Twinkie can really sit on the shelf for 30 years.