Off-road engines

Singapore’s government started regulating exhaust emissions from off-road diesel engines in 2012 through the Environmental Protection and Management (Off-road Diesel Engine Emissions) Regulations 2012 under the Environmental Protection and Management Act (Chapter 94A).

The regulation, which took effect on July 1, 2012, defined off-road diesel engines as any diesel engine used in a non-road application, except diesel engines that propel an aircraft, a railway locomotive or a vessel. It also does not apply to any off-road diesel vehicles owned by the Singapore government for the use of the country’s armed forces, police force or civil defence force, and any diesel engines used by or for the purpose of any visiting force lawfully present in the country.

Under the regulation, of