Finance

Lithium-ion batteries -- the kind in your mobile phone or laptop computer -- will be key for short-term storage as the smart grid expands, according to a new report.

3 | September 13, 2010 7:02am | By Andrew Nusca

The U.S. Dept. of Energy has awarded Petra Solar a $3 million contract to commercialize its technology for the nation's energy grid.

September 9, 2010 1:38pm | By Andrew Nusca

Algae-derived biofuels company Solazyme says it has tapped Virgin Group billionaire Sir Richard Branson as an investor.

1 | September 8, 2010 1:46pm | By Andrew Nusca

By some estimates, there are still $6 billion in rebates and other incentives to help fund energy-efficiency initiatives in the private and public sector.

2 | September 7, 2010 5:31am | By Heather Clancy

President Obama announces a 6-year transportation overhaul. Will more Americans be riding the rails at high speeds soon?

29 | September 7, 2010 4:00am | By Melissa Mahony

Report co-authored by Center for American Progress suggests nationwide energy efficiency initiatives could create up to 625,000 sustained jobs and $50 billion in cost savings.

6 | September 1, 2010 5:53am | By Heather Clancy

Does Sal Kahn represent the future of education? His online course site draws more students than Harvard and Stanford combined.

4 | August 31, 2010 9:34am | By Joe McKendrick

SunPower landed solar power installation contracts for a bevy of U.S. government entities.

August 30, 2010 7:36am | By Larry Dignan

Within the burgeoning solar power industry, a technology war is underway: crystalline silicon vs. thin film cells. Silicon may have the upper hand, but XsunX CEO Tom Djokovich says not for long.

5 | August 23, 2010 7:11am | By Andrew Nusca

Bigger is not better when it comes to population growth, writes Joel Kotkin. Here's why he says megacities are detrimental and avoidable.

37 | August 18, 2010 8:32am | By Andrew Nusca

Las Vegas' sustainability officer admits that his city--an 'island in the desert'--is not a very sustainable place. But between the government's fleet of electric bikes, a residential lawn...

5 | August 16, 2010 2:00am | By Melanie D.G. Kaplan

DARPA has awarded GE scientists $6.3 million to develop bio-inspired sensors to better detect dangerous warfare agents and explosives.

August 12, 2010 10:53am | By Andrew Nusca

The U.S. Dept. of Transportation has a faulty business model to fund highways, and the problem will only get worse as efficient electric cars proliferate. Here's why.

62 | August 11, 2010 5:44am | By Larry Dignan

University of Pittsburgh School of Medicine researchers found a new class of RNA using Helicos BioSciences' single molecule sequencing platform.

1 | August 10, 2010 3:39pm | By Boonsri Dickinson

SunPower will install a 15-megawatt solar power system on an Arizona Air Force base. The installation will be the largest at a U.S. government facility.

6 | August 10, 2010 8:40am | By Larry Dignan

Beacon Power has landed a $43 million loan guarantee from the U.S. Dept. of Energy for a new 20-megawatt flywheel energy storage plant.

3 | August 10, 2010 6:27am | By Andrew Nusca

Solazyme has raised another US$52M from investors to support broadening business growth for its create to create bulk amounts of renewable oil.

August 9, 2010 2:42pm | By David Worthington

Cox Communications has eliminated more than three tons of paper from its procurement processes by switching to an electronic procurement strategy.

4 | August 9, 2010 8:03am | By Heather Clancy

If you're unwilling to even consider the cost of Provenge you're not serious about holding the line on health care costs, because stories like this happen nearly every day.

23 | August 4, 2010 6:41am | By Dana Blankenhorn

Venture capital investments in cleantech companies surged in the second quarter, according to Ernst & Young.

August 3, 2010 5:31am | By Larry Dignan