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DLR: cleaner aircraft emissions reduce the climate impact of contrail cirrus

Green Car Congress

Fewer soot particles in the exhaust stream of aircraft reduces the formation of ice crystals and therefore the climate impact of the resulting contrail cirrus. For example, new engine technologies enable soot emissions to be reduced as a result of combustion at higher temperatures, even using conventional fuels. —Burkhardt et al.

Climate 278
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Big Blue Bus receives nearly $900K to purchase 58 new Cummins-Westport Near-Zero NOx engines

Green Car Congress

The ISL G NZ features the same Stoichiometric cooled Exhaust Gas Recirculation (SEGR) combustion technology, spark ignition, and simple TWC aftertreatment as the ISL G natural gas engine. The recent procurement of both CNG buses and engines will help the agency reduce its current NO x emissions by more than 90% in 2018. Earlier post.).

Purchase 150
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Santa Monica signs 5-year deal with Clean Energy for renewable LNG for bus fleet; deploying CWI Near-Zero NOx engine

Green Car Congress

The City of Santa Monica, California has awarded Clean Energy a multi-year liquefied natural gas (LNG) contract to fuel its Big Blue Bus (BBB) fleet of vehicles. The ISL G NZ features the same stoichiometric cooled Exhaust Gas Recirculation (SEGR) combustion technology and spark ignition as the ISL G natural gas engine. Earlier post.).

Clean 150
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Road Test: 2022 Ford Escape PHEV Titanium FWD

Clean Fleet Report

The bumper, with a flat top and a skid-resistance surface, incorporates dual exhaust tips. For a cleaner look, the rear wiper could be tucked under the spoiler to increase rearward vision for the driver. Road Test: 2018 Kia Sportage. Road Test: 2018 Chevrolet Equinox. Road Test: 2018 Toyota RAV4 Adventure.

Escape 91