Bloomberg Just five years ago it would have been almost unthinkable that one of the world’s biggest mining companies would not dig any coal. It’s now likely to become a reality. Rio Tinto Group, the world’s second-largest miner, has been steadily backtracking from coal to focus on better assets. It’s now looking for buyers for its remaining coal mines in …

Bloomberg The competitiveness of wind energy is taking a toll on profits, according to Vestas Wind Systems A/S, whose share price took the biggest hit in six years after missing analysts’ estimates. Vestas shares sank as much as 21 percent to 416.60 krone in Copenhagen. More than 5 million shares changed hands so far today, about five times more than …

Bloomberg There’s long been a Catch-22 about residential solar: despite staggering market demand, it’s been hard to make money doing it. Until now. Sunrun Inc. said that it’s cash-flow positive. And Blackstone Group LP-backed Vivint Solar Inc. expects to hit that mark next year. Rooftop solar installers have chased growth in recent years, investing revenue into marketing and installations. The …