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How much corn would I need to fuel a cross-country trip with ethanol?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/question707.htm
I've heard that it's possible to build a car engine to run off of ethanol, a byproduct of corn. How much corn would I need to grow in order to produce enough ethanol fuel to drive my car across the country?
The Frog Quiz
play.howstuffworks.com/quiz/the-frog-quiz
"It's not easy being green," a famous frog once told the world (in song, no less). But if you paid attention in science class, you shouldn't find this quiz too hard! Good luck!
How Carbon-neutral E-fuels Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/carbon-neutral-e-fuel.htm
Do you know How Carbon-neutral E-fuels Work? Keep reading to learn about zero-emission vehicles and discover how carbon-neutral e-fuels work.
10 Recent Breakthroughs in Marine Biology
animals.howstuffworks.com/animal-facts/10-recent-breakthroughs-in-marine-biology.htm
Marine biology breakthroughs have helped us learn about the ocean's residents. Explore 10 of the coolest marine biology discoveries.
How the Fisker Karma Works
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/fisker-karma.htm
The Fisker Karma is a luxury plug-in hybrid car. Get history, details and specs on the Fisker Karma in this article.
What's the Difference Between Global Warming and Climate Change?
Global warming and climate change are terms often treated like synonyms, but they have different meanings. We'll explain the difference and why both are so important to know.
How Charles Darwin Worked
science.howstuffworks.com/life/genetic/charles-darwin.htm
How did Charles Darwin develop the idea of natural selection? And how did Charles Darwin and "The Origin of Species" change our thinking and our world?
11 of the Biggest Lies in History
history.howstuffworks.com/history-vs-myth/10-biggest-lies-in-history.htm
You don't look fat in those pants. I am not a crook. I never met her. Lots of us lie, but some lies are more detrimental than others. What are some of the biggest whoppers ever told?
What are natural gas generators?
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/natural-gas-generator.htm
What are natural gas generators? Keep reading to learn about natural gas generators and how they are used.
What's the difference between a mammoth and a mastodon?
animals.howstuffworks.com/extinct-animals/difference-between-mammoth-mastodon.htm
Mammoths and mastodons have a few significant differences. Learn more about the difference between the prehistoric animals at HowStuffWorks.