SAN FRANCISCO (Dow Jones)--General Electric Co. (GE) on Tuesday unveiled a new electric-vehicle charger and other new clean-technology products, and announced a $200 million contest for the best smart-grid technology ideas from entrepreneurs and researchers.
The products and competition are part of GE's Ecomagination brand, which now has more than 100 products on the market or headed for the market, said GE Chief Executive Jeff Immelt.
