|COP15: Brazil says ethanol is "the only real alternative" to fossil fuels
Should the rest of the world follow Brazil's lead?
|REPORT: Tesla goes from competitor to demonstrator in Automotive X Prize
Elon's team decides to focus on product, not racing.
|REPORT: Some Chevy Volts to arrive early thanks to a $100 million bonus?
The extra budget could mean more testing, which is not a bad thing.