President Trump's most useful ally in his push to restore the dominance of coal, oil and gas in America could ultimately turn out to be a pair of bankrupt solar firms seeking help from the federal government getting back on their feet.
A federal court handed climate change advocates a narrow loss last week when it tossed an Obama-era ruling to phase out hydrofluorocarbons (HFCs) used in refrigeration and air conditioning.
Boeing Co. and NASA have found an inexpensive way to cut airline fuel bills by borrowing a trick from the world's greatest long-distance aviators: migratory birds.
On an earnings call last week, Royal Dutch Shell CEO Ben van Buerden said the firm has adopted a "lower forever" mindset with a focus on controlling costs.
