When Tesla Inc. chief executive officer Elon Musk was asked if his burgeoning collection of startup companies might lead him to step away from the electric automaker, he said he’d stick around as long as he could “positively contribute” to its success. “The most valuable thing I could contribute is product design and technology,” he told analysts on the …

  Bloomberg By the time Midwesterners fire up their furnaces this fall, the $2 billion Nexus pipeline is supposed to be pumping natural gas to heat homes from frosty Ohio to frostier Ontario. But six months out, the 255-mile (410-kilometer) pipeline exists only on paper. Until President Donald Trump fills key vacancies at an energy regulator, Nexus and other sprawling …

  Bloomberg The number of spills tied to a natural gas pipeline that Energy Transfer Partners LP is building through Ohio is mounting. And so is the tension between the Dallas-based pipeline giant and state regulators. Last month, the company reported two spills that sent almost 50,000 barrels of drilling fluids flowing into Ohio wetlands while working to install its …