Use of solar energy has ramped up in the past decade, but it still has a long way to go
Research and investment in biofuels has risen sharply, but many barriers remain
New technologies are helping to create lower-emission electric cars with higher speeds and ranges
Research and investment in biofuels has risen sharply, but many barriers remain
New technologies are helping to create lower-emission electric cars with higher speeds and ranges
Despite the struggling economy and oil’s decline, the interest in renewable energy technologies has not subsided
Geothermal power is clean and constant, but risky and expensive to develop
Despite the struggling economy and oil’s decline, the interest in renewable energy technologies has not subsided