 Ramba uchiverenga ndima ino - Mutungamiriri weboka reWest Virginia University rakawana humwe uchapupu hwepakutanga hwechisimba cheVolkswagen DieselgateDan Carder, mutungamiriri weCenter for Alternative Fuels, Engines and Emissions, akati: Dai AIR Index yakanga yaitwa makore 15 akapfuura, Dieselgate ingadai isina kuitika. 