Compare hybrid cars to electric
cars, bio-fuel cars and diesel cars.
Will fuel cells power homes?
Should the Environmental Protection
Agency have the authority to
regulate carbon dioxide and other
greenhouse gases from motor vehicles
and power plants?
Can alternative fuels reduce air
pollution?
Is corn ethanol a viable fuel
source?
What are the pros and cons of solar
energy?
Does wind power generate adequate
amounts of energy?
What are cost considerations with
alternative energy sources?