We're big fans of private entities giving away big chunks of cash to fund cool research, and the X Prize foundation seems to be making the most waves lately. Most recent is the Progressive Insurance Automotive X Prize, a $10 million total purse going to cars able to score at least an equivalent MPG of 100. There were two main classes and three total prizes, all of which recently found winners. Besting them all was the Team Edison2 Very Light Car, taking home $5 million thanks to its four-passenger configuration clocking in at 102.5MPGe running on E85 ethanol. There were also two "alternative" winners, e
