Caterpillar shows how to scale up EVs—with mammoth mining truck

Caterpillar 793 electric mining truck prototypeAs automakers aim to produce more electric cars and trucks, Caterpillar has shown that battery-electric powertrains can scale up to something much larger. The company recently demonstrated a mammoth electric mining truck at its Green Valley, Arizona, proving ground to representatives of mining companies that are looking to reduce greenhouse gas...