SolFocus now has nearly $150 million in total funding, to become the most heavily-funded concentrating solar startup around.
Concentrating photovoltaic (CPV) arrays are tiny, highly-efficient solar cells that have sunlight focused on them by lenses and …

A biofuel startup in Illinois can make ethanol from just about anything organic for less than $1 per gallon, and it wouldn’t interfere with food supplies, company officials said.
Coskata, which is backed by General Motors …