For years, sports stadiums have used metal halide lights to illuminate playing surfaces. But now, arenas are turning to LED lights, which have already made inroads in everything from city street lights to Christmas lights.

Ministers cut forecasts of gas prices for the rest of the decade by as much as a fifth, meaning green energy will remain relatively far more costly

A European Union deal to cut fuel use and increase renewable energy would be a better punishment on Moscow than more sanctions as it would clearly show the EU means to cut reliance on Russian gas, Denmark's foreign minister said on Thursday.

Everyone knows that if you can get it working, OLED offers far superior picture performance in practically every way that we can measure.

In terms of technology that makes your TV's picture look better, 4K resolution and OLED screens are currently at the top of the heap.

The iPhone 6 will be sold in China from Oct 17, after rigorous regulator scrutiny led to Apple reassuring the Chinese government that the smartphones did not have security "backdoors" through which US agencies can access users' data.

The clean energy sector in India will be one of the first sectors that would benefit during Prime Minister Narendra Modi's US trip. The sector awaits investments worth about $1 billion from US companies.

Four energy companies are teaming up on an $8-billion effort to ship electric power produced in Wyoming all the way to Southern California via transmission lines, with the help of a novel energy-storage and generation system to be built in Utah.

Solar photovoltaic (PV) panels constitute the fastest growing renewable energy technology in the world since 2000. Global capacity has exploded from 1.5 gigawatts at the turn of the century to 136 gigawatts currently

Best Buy believes that 4K Ultra High Definition televisions will give business a boost.

Vizio wants to take 4K living room entertainment mainstream, and it starts by offering a new line of Ultra HD LED smart televisions that start at less than $1,000.

The device we're reviewing today has a 28-inch display with max resolution of 3840 x 2160 pixels - also known as 4K resolution. Max refresh rate is 60 Hz, the panel type is TN, and response time is 1ms (Grey to Grey).

Before you run off and order a 4K/Ultra HD display of your own, you first need to know if your Mac will support said 4K display.

Michael Helander wants to revolutionize commercial lighting and advanced manufacturing - but first, he'd like to sell you this lamp.

Abengoa, a Spanish energy and environment company, plans to issue its first green bond to raise 500 million euros (US$642 million) to finance projects.

If you're in any way familiar with the history of energy, then the name Rockefeller is synonymous with oil. That's why it's such a surprise to learn that the Rockefeller Brothers fund, worth $860 million, has pledged to dump its remaining investments in fossil fuel production over the next five years.