Green energy nudges come with a hidden cost

All across the United States, many households receive energy bills comparing their use to that of similar neighbors to remind them to use less energy. At most companies, employees are automatically enrolled in 401(k) plans ...

Water heaters put solar energy within reach

Andrei Mitran of Cary says he has no desire to live "off the grid." But when choosing a replacement for his 18-year-old hot water heater, the computer programmer says he decided to look into purchasing a solar unit.

Branson outlines world powered by wind, solar power

Entrepreneur Richard Branson outlined a vision of the world powered by renewable energy and said it would be "pretty dreadful" if a forthcoming UN climate summit is not a success.

Wind power cost competitive with natural gas, study finds

(Phys.org) —The costs of using wind energy and natural gas for electricity are virtually equal when accounting for the full private and social costs of each, making wind a competitive energy source for the United States, ...

Tesla taps sun for free electric car fuel (Update)

Tesla on Tuesday opened the first part of what it said would be a large network of stations that will provide free charges to its electric cars courtesy of the sun.

US grabs lead over China in clean energy race

The United States has regained the lead in the clean energy race, investing $48 billion last year to surpass China, which held the world's top spending spot since 2009, said a study Wednesday.

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