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What is the world's cheapest alternative fuel car?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/cheapest-alternative-fuel-car.htm
The world's cheapest alternative fuel car is currently the Tara Tiny. Read about the world's cheapest alternative fuel car in this article.
The Worst Air Quality in the World Is in Mountainous Terrain
science.howstuffworks.com/environmental/green-science/worst-air-quality-in-the-world.htm
Air pollution is widely recognized as a major threat to public health, and while air quality data is widely available, the large-scale solutions are often difficult to enact. There are efforts in most developed countries to improve air quality, and pretty much everyone (except the polluters) agrees that it's an urgent problem.
How to Insulate Windows
home.howstuffworks.com/home-improvement/heating-and-cooling/insulate-windows.htm
Insulating windows can help save on energy costs. Learn how to insulate windows at HowStuffWorks.
Will alternative fuels deplete global corn supplies?
science.howstuffworks.com/environmental/green-science/alternative-fuel-corn-supply.htm
Global corn supplies face demands from the ethanol, livestock and food industries. Read how global corn supplies are handling all these demands.
Oil Sands: Energy Evolution and Environmental Concerns
science.howstuffworks.com/environmental/green-science/oil-sands.htm
Oil sands are a mixture of clay, sand and water with a small amount of bitumen. Learn about oil sands, find out how energy intensive it is to refine oil sands.
Can You Identify the Dinosaur from an Image?
play.howstuffworks.com/quiz/can-you-identify-the-dinosaur-from-an-image
They aren't known as the sharp tooth and the three-horn. These dinosaurs have some pretty intense names. Do you think you can identify all of them if we show you a picture?
10 Oldest Known Diseases
science.howstuffworks.com/life/cellular-microscopic/10-oldest-known-diseases.htm
You won't find some of history's biggest killers on this list, but you will find at least one disease that will make you want to bite something and another that might make you break out in "elevated pustules." Curious yet?
How Steam Dishwashers Work
home.howstuffworks.com/steam-dishwasher.htm
The steam dishwasher is supposed to detach grime from dishes so that a pre-wash isn't necessary. Find out more about the steam dishwasher.
Do hybrid cars cause pollution?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/hybrid-cars-cause-pollution.htm
Do hybrid cars cause pollution? Find out if hybrid cars cause pollution at HowStuffWorks.
How EPA Fuel-Economy Testing Works
auto.howstuffworks.com/fuel-efficiency/fuel-economy/28004-epa-fuel-economy-explained.htm
Why do the EPA's fuel economy numbers almost always seem to be off-base? Learn how the EPA tests new cars and trucks to gauge their fuel economy.