April 29, 2011 Chevy Volt: Real-World Efficiency From Real-World Drivers Edit Delete Tags Autopost Chevrolet has been bragging about the amazing fuel efficiency of the all-new Chevy Volt ever since it was approved for production, but now that the car is actually on sale, the company is letting Volt owners do the job. In fact, Chevy recently showcased the stories from a trio of early Volt buyers, all of whom have plenty to boast about.