The 3-day 8th EV EXPO 2018, India's biggest eco-friendly electric vehicle technology expo, inaugurated by Union Road Transport & Highways Minister Nitin Gadkari on December 21, concluded at Pragati Maidan in Delhi. Advanced fast charging batteries, charging solutions and electric vehicles ranging from e-cycles to e-scooters/bikes, 3 wheelers and 4 wheelers were special attractions for visitors.