But, because the nation still has more than 11 million old diesel engines without proper emission control technology, black carbon remains a serious health and environmental threat. (dotearth.blogs.nytimes.com)
Offered in Europe, the new engine is substantially cleaner than its predecessor thanks to Selective Catalytic Reduction (SCR) active emissions control technology allowing it to meet even more stringent rules than the ones applicable for the Euro 6d TEMP emissions standard. (motor1.com)
The implementation of BS VI fuels will enable the use of emission control technologies like diesel particulate filters (DPF) and selective catalytic reduction (SCR) systems thanks to the low sulphur content. (team-bhp.com)