Proterra, Tesla.

Reading tip: An electric demo bus in California prove 8 times higher fuel efficiency compared to a CNG bus on the same route. The research from the National Renewable Energy Laboratory used a Proterra electric bus to prove their point.
greencarcongress.com

Click tip: Tesla launched a cost calculator online that predicts cost for Supercharger use. In Europe, they will amount to 0.24 Euro/kWh (0.2 $/kWh)
tesla.com/supercharger via electrek.co