With this combination, 4% power-conversion efficiency for solution-processed and visibly transparent polymer solar cells has been achieved.

ENGADGET: UCLA creates transparent solar cell, dreams of current generating windows

The report insists that, in hand with a combination of energy efficiency and fuel-switching measures, this growth in electricity production would be enough to supplant all fossil fuel use (coal, gas and oil), including that for transport and space-heating.

FORBES: Could Australia Go Carbon Neutral By 2020?

The combination of that consumer resilience and the efficiency-increasing measures many retailers implemented during the financial crisis has led to some surprisingly strong performance by retail companies.

FORBES: Buffett, Lynch and Graham Like The Schmata Biz

Greenpeace asks companies to measure and reduce their greenhouse gas emissions throughout the life cycle of their products: supply chain, manufacturing, distribution, customer use, and end-of-life, using a combination of energy efficiency, renewable energy, and energy policy advocacy.

FORBES: How Green Are Your Gadgets?

Europeans have long embraced diesel-powered automobiles for their unique combination of performance and fuel efficiency.

FORBES: Are Americans Ready To Embrace Diesel Cars? Chevy Hopes So

The Isle of Wight, off the south coast in the Solent, aspires to become self-sufficient in energy over the next few decades through a combination of tidal power, a waste-to-electricity plant and efficiency savings.

ECONOMIST: Greenery from the bottom up