The little electric transportation startup from Colorado (Now in Greenville, SC and Silicon Valley, CA) has come a long way since its first sold buses in 2009. Battery efficiency has increased exponentially over the past decade and Proterra has been on the front lines pushing the limits. Now, they're flexing their muscle with the Catalyst E2 series, that has a 350 mile city range per charge... breaking the elusive barrier to serve the daily milage needs of nearly every U.S. mass transit route. Our cities are about to get a lot quieter, and cleaner.
Detailed blog post