NEW DELHI: All commercial vehicles on electric and powered by E85 (85% ethanol), M100 (100% methanol) or hydrogen will be exempt from obtaining permits only for seven years, road transport ministry said in a notification, reports Dipak Dash.Earlier in 2018, the ministry had “exempted” commercial EV, ethanol- and methanol-fueled transport vehicles from obtaining permits to encourage people to opt for cleaner vehicles.There was no specific time limit for such exemption.In the latest notification dated July 6, it has expended the benefit to hydrogen vehicles and has also limited the exemption to seven years.