Columns

Verizon said this week it plans to invest $100 million in solar power and fuel cells at 19 facilities in seven U.S. states to cut its carbon footprint and make its operations more resilient to storms and other disasters.

President Obama proposed a dramatic increase in clean-energy spending as he sought to expand U.S. government support for electric cars, wind power and other "green" technology.

In just more than a month, a solar-powered plane is expected to take off from San Francisco and land in New York's JFK two months later -- a kind of test flight for a 2015 attempt at the first round-the-world flight without fuel.

Apple now runs its largest U.S. data center entirely on renewable energy, with a majority of the power generated on-site from solar panels and fuel cells, according to the company's CFO on Thursday.

Ethanol credit costs surged in recent weeks as concerns about supply shortages and "blend walls" mount. Two Republicans Wednesday called on the EPA to act "decisively" to protect consumers against these higher costs.

After three years to build and a cost of $600 million, the United Arab Emirates opened its first big solar energy plant Sunday. 

President Obama will try to turn the page on bitterly partisan fights over energy policy Friday, focusing his first energy speech of his second term on proposing a modest new fund to support research.

The residential solar market grew dramatically in 2012, climbing 62%. Solar leasing, which allows homeowners to avoid the hefty upfront cost of a solar system by paying a monthly fee for their panels, has helped accelerate the residential market.

Walgreen Co. is getting behind the "green" part of its name, as it aims to build what it believes will be the first store in the United States to produce at least as much energy as it consumes.

Unless power utilities reinvent themselves, they risk becoming the dinosaurs of the energy market thanks to new greener energy chipping away at the traditional production model. 

A major conundrum with solar panels has always been how to keep the lights on when the sun isn't shining -- but solar batteries could be the cure-all. 

Deeply divided: Industry calls California's carbon cap-and-trade program a job-killing nightmare, while clean energy proponents say it has positioned the state as a global leader in climate change.

The LaFerrari is perhaps the most electrifying debut at this year's Geneva show, and not only because of its sleek carbon-fibre body or its top speed but because it combines powerful gasoline engines with electric motors.

The LaFerrari is perhaps the most electrifying debut at this year's Geneva show, and not only because of its sleek carbon-fibre body or its top speed but because it combines powerful gasoline engines with electric motors.

Canadian Natural Resources Minister Joe Oliver said Thursday he does not expect the U.S. to reject TransCanada Corp's proposed Keystone XL pipeline from the Alberta oil sands to Texas.

Green campaigners pressed for an ambitious new decade of energy and environment policy on Wednesday as the European Commission kicked off debate on 2030 goals. 

Germany's transition to renewable energy might cost up to 1 trillion euros ($1.34 trillion) in the next two decades, the environment minister said on Wednesday.

The U.S. Wednesday filed a challenge with the World Trade Organization over elements of India's national solar program, which it said discriminates against foreign solar products in violation of a core global trade rule.

Growing palm oil trees to make biofuels could be accelerating the effects of climate change adding further weight to claims the crop is not environmentally sustainable.

President Obama's promise to attack climate change is likely to light a fire under federal agencies slow to comply with a mandate to cut energy use - good news for companies specializing in power-saving systems.