1 in 5 electric vehicle owners in California switched back to gas because charging their cars is a hassle, research shows

• Roughly 20% of electric vehicle owners in California replaced their cars with gas ones, a study shows.

• The main reason drivers said they made the switch was the inconvenience of charging.

• The findings suggest new challenges facing the growth of the nascent electric vehicle market.

In roughly three minutes, you can fill the gas tank of a Ford Mustang and have enough range to go about 300 miles with its V8 engine.

But on a recent 200-mile trip from Boston to New York in the Mustang's electric Mach-E variant, Axios' Dan Primack said he felt "panic" as his battery level dipped below 23% while searching for a compatible charger to complete his trip...MORE