For proponents of alternative energy, it's easy to make a case about the downside of crude oil, but it's also difficult to make a case for a viable, long-term replacement.
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Oil prices rose as tight supplies kept traders buying oil.
Russian President Putin said he would soon pardon jailed oil tycoon Mikhail Khodorkovsky, who still has eight months left to serve.
A fire department in California said a garage fire may have been caused by an overheated charging system in a Tesla Model S sedan.
As Twitter builds out its business it must be careful to not change too much too fast, industry experts say.
One Reddit user got the surprise of a lifetime when she found out that her Secret Santa was billionaire Microsoft founder Bill Gates.
Mark Zuckerberg will sell 41.4 million Facebook shares worth about $2.3 billion to pay a tax bill.
A California company can pull lithium, and other critical metals, out of the effluent water of geothermal power plants, removing the need to drill or blast for new resources the way miners typically do.
Our special report shows how success is about new investment, new applications, and new markets — smart growth driven by innovation and excellence.
Even as certain tax credits and funding from Washington have dried up, U.S. states remain in competition for clean energy funding, especially from venture capitalists.
While they’ve attracted a dedicated following, electric cars are still carving out their niche and flirting with the mainstream. Here are some eye-popping models.
There are too many options but no one solution to the energy problem. Our needs are many. The current alternative energies — solar, wind, biofuels, nuclear and geothermal — all have limitations, but they're worth it until something better comes along.
It's not a question of which alternative fuel will replace crude oil, but which renewable sources will help reduce America’s reliance on it.