GM touts 4G LTE service in its 2015 vehicles
General Motors, the largest U.S. automaker, said its OnStar unit will begin offering 4G LTE service in vehicles next year in a partnership with AT&T. The faster mobile data speed will first be available in most 2015 model year vehicles in the U.S. and Canada, GM said Monday in an e-mailed statement. Additional markets and service providers will be announced in coming months, the company said. -- Bloomberg NewsEngine problems in Ford cars, SUVs reportedThe National Highway Traffic Safety Administration says it will investigate problems with stalling or surging engines in nearly 725,000 Ford cars and SUVs. The probe affects Ford Escape and Mercury Mariner SUVs and Ford Fusion and Mercury Milan sedans from the 2009 through 2011 model years. The vehicles can unexpectedly go into "limp home mode" at reduced power, the agency said in documents posted Monday on its website. NHTSA and Ford have received almost 1,500 complaints. There were three crashes and one injury.-- The Associated PressEFH elects Williamsonto board of directorsEnergy Future Holdings announced the election of Billie Williamson to its board of directors. The Dallas-based power company, which operates Luminant, TXU Energy and Oncor Electric Delivery, said Williamson brings more than 30 years of auditing experience from her career at Ernst & Young. Williamson will chair the board's audit committee. Energy Future Holdings is dealing with a large debt load from a 2007 leveraged buyout.-- Star-TelegramMartha Stewart trial testimony to continueMacy's CEO Terry Lundgren testified that he hung up on business magnate Martha Stewart after she called to inform him on Dec. 6, 2011, that her company had inked a deal with J.C. Penney to open Martha Stewart shops in most of the chain's stores. He hasn't spoken to her since, although they were good friends. The testimony comes as Macy's and J.C. Penney duke it out over the partnership with Martha Stewart Living Omnimedia. The trial, which began last week, focuses on whether Macy's has the exclusive right to sell Martha Stewart cookware, bedding and other products. Key witnesses expected this week include Stewart and Penney's CEO Ron Johnson.-- The Associated PressHave more to add? News tip? Tell us

