in my experience, yes, it will work. I get around 4 miles/kWh if I drive 65 with no heat or A/C. Increase the speed to 70 and use heat, you'll get around 3. With a 66kWh battery on the 2020 Bolt, you'll get 198 mile range at 3 miles/kWh. So, no worries! You'll need an L2 charger at home...