Christian Science Monitor: President Obama directed federal agencies Tuesday to develop and issue new medium- and heavy-duty vehicle fuel-efficiency and greenhouse-gas standards by March 2016. The new rules would build on standards passed in 2011 that are already projected to save vehicle owners and operators $50 billion in fuel costs and 530 million barrels of oil for the lifetime of models built from 2014 to 2018, according to the White House.
President Obama announced Tuesday at a distribution center in Maryland for...