TOKYO -- Japan will require automakers to raise fleetwide fuel efficiency more than 30% by fiscal 2030, an ambitious target designed to help the country catch up with the shifts toward zero-emissions vehicles in Europe and China.
New rules steer automakers toward electrics, following China and Europe

Japan's government aims to have electric vehicles, like the Nissan Leaf, make up 20% to 30% of new-auto sales in 2030. © Reuters
TOKYO -- Japan will require automakers to raise fleetwide fuel efficiency more than 30% by fiscal 2030, an ambitious target designed to help the country catch up with the shifts toward zero-emissions vehicles in Europe and China.