coffee as fuel
amillikan | December 18, 2008Coffee grounds may be able to provide energy beyond the caffeine buzz most drinkers seek, according to a study appearing this week in the Journal of Agricultural and Food Chemistry. The study's authors claim that the oil contained in grounds, when extracted, could produce as much as 340 million gallons of biodiesel per year. ScienceBlogger Greg Laden ponders what will happen when coffee goes to make diesel instead of lattes.