“A new report by Bloomberg New Energy Finance (pay wall) claims electric buses displace far more fossil fuels than electric cars. China, which has put more electric buses into service than the rest of the world combined, leads the way when it comes to reducing the use of fossil fuels — primarily diesel — in its transportation sector…”

Source:
https://cleantechnica.com/2019/03/22/electric-buses-avoid-three-times-more-fossil-fuels-than-electric-cars-finds-bnef/