Oxidation catalysts and other emissions controls can be installed to reduce the polluting effect of diesel generation and it must also be considered that peak-shaving DR resources will displace peaking units which are the most pollution-heavy resources on the supply-dispatch curve that are also closest to load centers.

FORBES: Connect

"The increase in the price of diesel, in particular, will have a cascading effect on all-round prices as the transportation costs will rise sharply, " a statement said.

BBC: India forced to raise fuel prices

The combined effect of charging and improved vehicle technology, notably cleaner-burning diesel engines that are being used in more buses and taxis, has led to an overall reduction of 13% in nitrogen oxides and 12% in PM10 via vehicle tailpipe emissions in the charging zone.

FORBES: Paul Maidment

The result is, in effect, a liquid sponge, and means the mixture can be stored indefinitely, like ordinary diesel, without risk of separation.

ECONOMIST: To make engines cleaner, add H2O