When you dig down, it's pretty clear why these investment leaders would flock to off-grid solar. With rock-solid economics, an enormous addressable market, and eye-popping growth rates, the opportunity is immense.
Andrew Chung shares his views on the Post Solyndra Era. Will the failure of Solyndra have a significant impact on private sector cleantech investment? How does Chung respond to critics who say that cleantech investment is a disaster?
Sastry says the energy density of batteries must double "if we're to have a serious impact on the market with electric vehicles." That translates to twice the range, or "doubling the size of your electric gas tank."