Why Tesla And Other EV Ranges May Be Inaccurate

Since the Environmental Protection Agency was founded in 1970, one of its primary tasks has been testing gas burning vehicles – both to see how much they pollute and to tell consumers how many miles per gallon they are liable to get in a car. But since electric vehicles came to market in significant numbers after 2010, the agency has been shifting toward telling consumers how much range they should expect to get on each car. The trouble is that EV technology is changing…fast. The agency has had decades to refine standards for gas burning cars, and just a few years for EVs. Some critics say the tests are inaccurate. CNBC went inside the EPA’s National Vehicle and Fuel Emissions Laboratory to find out how they test EVs.

Chapters:
00:00 — Introduction
02:17 — What the EPA tests
05:44 — How the EPA tests
08:30 — Challenges
13:43 — The future

Produced by: Robert Ferris
Editor: Darren Geeter
Supervising Producer Jeniece Pettitt
Graphics: Jason Reginato
Camera and Production Support: Andrew Evers

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Why Tesla And Other EV Ranges May Be Inaccurate