Greenergy International Ltd is a British distributor of petrol and diesel for motor vehicles and has over a quarter of the UK market. It blends fuels at terminals on the Thames estuary in the south and on Teesside in the north.[citation needed] It sells more than 20 million litres of petrol and diesel a day.[citation needed] As of 2015 it is currently ranked at 474 in the Fortune 500 list of largest companies by revenue. From Wikipedia