AUTOMOTIVE ENGINEERING ® Defying the disruptors Engineering execs discuss new technology opportunities GM's Nicholson LG Chem's Gray Get ready for 48-V hybrids Delphi's Owens AVL's Grebe Automatic Braking Audi debuts electric boosting SLM aids piston design April 2016 magazine.sae.org/autohttp://www.sae.org/ http://magazine.sae.org/auto/