Cummins is set to battle Tesla with its new all-electric semi truck

Tesla will reportedly introduce a new line of all-electric semi trucks in September — but another major player in the big rig game just beat Tesla to the punch by showing off its own alternative energy freight truck first. 

Cummins, a company that is synonymous with diesel engines, just unveiled a vehicle called the AEOS that's an electric-powered Class 7 semi truck cab concept. The truck swaps out the semi's standard gas-guzzling 12-liter engine for an electric one powered by a 140 KWh battery pack.

The AEOS semi will have a range of 100 miles per charge, according to Cummins, meaning it's designed for shorter runs in urban areas rather than long hauls on the highway. Extra battery packs can extend the range to about 300 miles for longer routes if necessary. Read more...