If you still need proof that the electrification of automobiles is a viable movement, here it is. The spy shooters over at Autoblog snapped this, the Cadillac ELR, out in the desert during a testing run. For the uninitiated, the ELR is essentially Cadillac's version of the Chevrolet Volt. Under it's gloriously sculpted sheetmetal, the ELR will employ the same Voltec powertrain that sees duty in the Volt—a small four-cylinder gasoline engine that charges an onboard electric motor.
