If you think your gas bill is high this year, imaging Uncle Sam's. With over 600K vehicles racking up over 5 billion miles a year, the federal government is feeling the pressure from the high fuel cost and environmental concerns. photo credit: ...

For the past years, the global community has been troubled with the threat of the greenhouse effect. While this phenomenon is of no threat to the planet, increased production of greenhouse gases has led to what is now called global warming. The abundance ...