ClimateWire: Call it climate-lite. The renewable electricity standard introduced in the Senate yesterday is a key element in most sprawling measures to address climate change. It’s designed to rev up renewable electricity — 15 percent by 2021, including efficiency — resulting in less fossil fuel use and fewer emissions. That would help utilities cut their carbon output to comply with an emissions cap — if Congress ever enacts one. Yet the bill offered by Sens. Jeff Bingaman (D-N.M.) and …