http://www.telegraph.co.uk/finance/newsbysector/transport/10572289/New-electric-black-cab-could-save-drivers-200-per-week.html http://www.telegraph.co.uk/financ

http://www.telegraph.co.uk/finance/newsbysector/transport/10572289/New-electric-black-cab-could-save-drivers-200-per-week.html http://www.telegraph.co.uk/finance/newsbysector/transport/10... That says 200 miles a day roughly, so with morning and lunch break and a 70 mile range it would be half to 2/3rds powered by electric. A lot would depend on how fast the car can charge.