Search Results | petroleum industry
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5 Low-cost Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/5-low-cost-biofuels.htm
Every fuel has a monetary and ecological cost, but some are more affordable than others. Read on to find out more about five low-cost biofuels.
Top 10 Advantages of Biofuels
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While they're definitely not perfect, biofuels have many advantages over other types of fuels. Read about 10 advantages of biofuels at HowStuffWorks.
What human activities increase carbon dioxide in the atmosphere?
science.howstuffworks.com/environmental/green-science/human-activities-increase-carbon-dioxide.htm
Although a certain amount of carbon dioxide (CO2) occurs naturally in the Earth's atmosphere, there are several human activities that increase levels of the greenhouse gas.
What Is Biodiesel?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/biodiesel.htm
Biodiesel turns biodegradable fats and oils into an alternative fuel for your car. Learn about biodiesel components, biofuel history and biodiesel pros and cons.
What Causes 'New Car Smell'?
auto.howstuffworks.com/under-the-hood/auto-manufacturing/what-causes-new-car-smell.htm
There's nothing quite like the smell of a new car interior. But what really causes that new car smell? Learn all about new car smell at HowStuffWorks.
10 Edible Biofuels
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What are some of the most common edible biofuels? Check out 10 edible biofuels at HowStuffWorks.
How to Dispose of Lava Lamps
home.howstuffworks.com/green-living/dispose-lava-lamp.htm
Learn the eco-groovy way to dispose of these novelty lamps. Learn more about disposing of lava lamps.
The Dark History of Indigo, Slavery's Other Cash Crop
history.howstuffworks.com/world-history/indigo.htm
HowStuffWorks traces the history of indigo from its origins and use as a cash crop for blue dye to its replacement by synthetics in the 20th century.
What are eco-plastics?
science.howstuffworks.com/environmental/green-tech/sustainable/eco-plastic.htm
Eco-plastics are plastics that are actually friendly to the environment. Learn about eco-plastics.
Can You Name the Biggest Exports of Each American State?
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Do you know which state has so much gold they need to export it? What about needles? Corn? Molybdenum? Fifty states and fifty main exports. How many do you think you know? Import this quiz and find out!