Search Results | environmental technology
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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 are hydrogen fuel cell kits?
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/hydrogen-fuel-cell-kits.htm
What are hydrogen fuel cell kits? Keep reading to learn about hydrogen fuel cell kits and what they are used for.
Do Snakes Hibernate? Technically No, Functionally Yes
animals.howstuffworks.com/snakes/do-snakes-hibernate.htm
Have you ever wondered what happens to snakes when cold weather arrives? Do snakes hibernate like bears and other animals, or do they do something else?
Is steel still the best material for building?
science.howstuffworks.com/engineering/structural/steel-best-material-for-building.htm
Steel is getting more expensive because the prices of iron and coal are rising. Are there alternatives to steel that can do the same job -- or better -- for less?
Virgo Personality: Decoding the Analytical Virgo
entertainment.howstuffworks.com/horoscopes-astrology/virgo-personality.htm
Think you know a Virgo? Think again! Discover the shocking secrets and hidden depths of the Virgo personality. Are you REALLY who you think you are? Find out now.
The Fish Doorbell Isn't a Joke ... Seriously
science.howstuffworks.com/environmental/conservation/fish-doorbell.htm
Imagine a doorbell — but for fish. In the Netherlands, this eco-friendly innovation is making waves. The fish doorbell, or "visdeurbel," is a clever system created in the city of Utrecht to help native freshwater fish migrate more freely through canals and locks during spawning season.
Grassoline: Can we fuel cars with grass?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/grassoline.htm
Grassoline for fuel is a concept that is under development in the ongoing search for an alternative to oil. Learn about the concept of grassoline.
10 Edible Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/10-edible-biofuels.htm
What are some of the most common edible biofuels? Check out 10 edible biofuels at HowStuffWorks.
How Carbon Offsets Work
science.howstuffworks.com/environmental/green-science/carbon-offset.htm
Carbon offsets are a form of trade that funds projects that reduce greenhouse gas emissions. Learn about carbon offsets and carbon offset programs.
Screws
home.howstuffworks.com/screws.htm
Screws have a few benefits over other fasteners -- they provide lots of strength and can be easily removed. Find out about different types of screws.