Cars That Run on Smuggled Alcohol, Feces and Carcasses

The race to find new alternative fuel sources is fully underway and some countries are seriously involved in the issue of cleaning up the air we breathe. Ethanol is a good example of such an application, diesel engines can very well run on used cooking oil and even newer sources are being ta... [ read more >> ]

"Amanda," thought to be the world's first biogas train, started chugging along the southeast coast of Sweden in 2005.

Image comment: "Amanda," thought to be the world's first biogas train, started chugging along the southeast coast of Sweden in 2005.
Image credits: Photograph courtesy Lasse Hejdenberg

"Amanda," thought to be the world's first biogas train, started chugging along the southeast coast of Sweden in 2005.