As clean energy evolves into a major industry, pioneering but no longer competitive energy projects act as a reminder of how fast technology is changing.

Residents find their voice after state suffers more earthquakes in 2014 than in previous 30 years combined.

Fulcrum BioEnergy has spent years trying to get a factory built in Nevada. Will an investment from United Airlines get them closer?

Investors pour $55 million into the electric bus maker as it scales up and readies a new factory.

This could be a big step forward for the biofuels industry.

Lynn Good is getting a salary boost this year. Her total possible compensation now maxes out at $10.5 million, up from $8 million before.

Coal states and the power plant industry are the winners in ruling that the EPA must take into account the cost of the pollution limits.

‘That could have been worse,’ is the order of the day after a weekend of high drama in Greece.