Not exact matches
In urban areas, emissions from consumer goods such as paint,
cleaning supplies and personal care products now contribute as much to ozone and fine
particulate matter in the atmosphere as do emissions from burning gasoline or
diesel fuel.
Skeen explains that although new
diesel vehicles are
cleaner than ever before, some of the latest generation gasoline engines emit as much
particulate matter as older
diesel engines.
To make the
diesel clean enough for North America, the 335d's exhaust requires an oxidation catalyst, a
diesel particulate filter, a urea dosing module, and a selective catalytic reduction catalyst.
It is the
cleanest diesel engine produced by General Motors and meets North American
diesel emission standards, generating 90 % less NOx and
particulate emissions compared to previous - generation
diesels.
Changes to French finance legislation with regard to
clean vehicles makes the 1.9 dCi
diesel engine with
particulate filter a particularly attractive proposition.
The new
diesel particulate system required «active regeneration» in order to periodically
clean the DPF by means of literally burning the collected material.
Clean Diesel Technologies (NSDQ: CDTI), based in Stamford, Conn., said earlier this week that it has licensed its
particulate filtration technology to Headway Machinery, a commercial
diesel - engine - exhaust company in Zhucheng, China.