The Oil Fuel (Sulphur Content of Gas Oil) Regulations 1990
These Regulations, which apply to England, Wales and Scotland, provide that, subject to certain specified exemptions and to such exemptions as the Secretary of State may confer in particular cases, no person shall use, or cause or permit to be used, in any furnace or engine (other than one in a ship or diesel engined motor vehicle) gas oil with a sulphur content greater than 0.3 per cent by weight. They revoke the Oil Fuel (Sulphur Content of Gas Oil) Regulations 1976.