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How Cellulosic Ethanol Works
science.howstuffworks.com/environmental/green-tech/energy-production/cellulosic-ethanol.htm
Cellulosic ethanol could provide us with a new, green source of energy. Learn all about cellulosic ethanol at HowStuffWorks.
5 Myths About Renewable Energy
science.howstuffworks.com/environmental/green-science/5-myths-renewable-energy.htm
We're currently suspended between two ages: a time dependent on fossil fuels and a future dominated by renewable energy sources. Yet not everyone is sold on this vision, so a number of myths about renewable energy persist.
What's the Difference Between a Fuel Cell Vehicle and a Hydrogen-on-Demand Vehicle?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell-difference.htm
A major hurdle to hydrogen-as-car-fuel is the public perception that hydrogen cars are unsafe. Read this article to find out if hydrogen cars are safe.
What is the energy source of the future?
science.howstuffworks.com/environmental/energy/energy-source-future.htm
What is the energy source of the future? Learn more about the energy source of the future in this article.
What are atmospheric water generators?
home.howstuffworks.com/atmospheric-water-generators.htm
Water generators have been around for a long time, but they use a lot of energy. Enter the atmospheric water generator, cleaning your water one drop at a time.
10 Homebuilt Tech Tools for the Developing World
electronics.howstuffworks.com/everyday-tech/10-homebuilt-tech-tools-for-developing-world.htm
Homebuilt tech tools and DIY technologies can greatly improve people's lives. Learn about 10 DIY homebuilt tech tools for the developing world.
Test Driving Buckminster Fuller's Dymaxion Car
auto.howstuffworks.com/test-driving-buckminster-fullers-dymaxion-car.htm
How does a 1933 replica Buckminster Fuller dymaxion car handle on today's roads? Learn more about the dymaxion car in this HowStuffWorks Now article.
Build a Wand and We'll Guess Which Class You'd Teach at Hogwarts
play.howstuffworks.com/quiz/build-a-wand-well-reveal-which-class-youd-teach-hogwarts
In the world of Harry Potter, a wand says everything about the owner, from its weight and balance to its magical properties. Build yourself a wand and we'll reveal what class you'd teach at Hogwarts!
Can You Name These Car Parts by Looking at Just One Image?
Do you love cars? Are you a full-blown mechanic or just a tinkerer? Most people can't guess all 48 of these parts at a glance!
How Did the U.S. Look Before the EPA?
people.howstuffworks.com/what-did-country-look-epa.htm
The U.S. has come a long way since forming the EPA in 1970. HowStuffWorks digs out some pics from the National Archives to show just how far.