Search Results | coal mining in the united states
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Top 8 Synthetic Fuels
auto.howstuffworks.com/fuel-efficiency/biofuels/8-synthetic-fuels.htm
Different types of synthetic fuels offer some advantages over fossil fuels. Find out about the top synthetic fuels and how they're processed.
What is a synfuel?
auto.howstuffworks.com/fuel-efficiency/biofuels/synfuel.htm
What is a synfuel? How could synthetic fuels mitigate the energy crisis? Read about synfuels at HowStuffWorks.
How the Steam Locomotive and Steam Technology Work
science.howstuffworks.com/steam-technology.htm
Steam technology works to harness the power of steam in order to perform work. Learn about steam technology and some steam technologies.
How Steam Shovels Work
science.howstuffworks.com/transport/engines-equipment/steam-shovel.htm
Antique steam shovels can still be found rusting away at old mining sites or painstakingly restored and on display in museums the world over. How much do you know about these mammoth-sized digging tools?
How Carbon Tax Works
science.howstuffworks.com/environmental/green-science/carbon-tax.htm
A carbon tax is one of two market-based options that focus on lowering harmful emissions. Learn about the carbon tax and how a carbon tax can lower emissions.
How Artificial Geothermal Energy Works
Artificial geothermal energy is made by adding water to naturally hot rocks. Learn about artificial geothermal energy.
How Fly Ash Concrete Works
home.howstuffworks.com/home-improvement/construction/materials/fly-ash-concrete.htm
Fly ash concrete is considered a green building product. Learn about the benefits and potential hazards of fly ash concrete.
What if we ran out of fossil fuels?
science.howstuffworks.com/science-vs-myth/what-if/what-if-ran-out-fossil-fuels.htm
We wouldn't stop requiring power. So how would a turn to alternative energy sources work out for transportation, international trade and our daily diets?
How Gasification Works
science.howstuffworks.com/environmental/green-tech/energy-production/gasification.htm
Gasification is the conversion of carbonaceous feedstock into synthetic gas. Learn all about gasification at HowStuffWorks.
Slavery Under Another Name: What Were the Black Codes?
history.howstuffworks.com/american-civil-war/black-codes.htm
The Emancipation Proclamation may have signified the formal end of slavery. But the newly enacted Black Codes effectively re-enslaved thousands of Black people.