Ethanol-powered ED95 buses were introduced in 1986 on a trial basis as the fuel for two buses in Örnsköldsvik, and by 1989 30 ethanol-operated buses were in service in Stockholm. SEKAB provided the fuel, called ED95, consists of a blend of 95% ethanol and 5% ignition improver and it is used in modified diesel engines where high compression is used to ignite the fuel. Other countries have now this technology on trial under the auspicies of the BioEthanol for Sustainable Transport (BEST) project, which is coordinated by the city of Stockholm.