Downsizing, Fuel Economy, Ozone and Pollution

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Downsizing

Fuel Economy

Ozone

Pollution

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Green Car Congress

FEBRUARY 5, 2020

NO x is a precursor for both ground level ozone and secondary PM 2.5 This has resulted in higher catalyst loading per volume of substrate and led to downsizing of systems from those available in 2010. —MECA Executive Director, Rasto Brezny.

Emissions

Emissions Diesel Engine 2010

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Green Car Congress

MAY 12, 2017

Gasoline direct-injection (GDI) engines have higher fuel economy compared to the more widely used port fuel injection (PFI) engines. We estimate ozone and SOA formation potential. Therefore, the secondary organic aerosol and ozone formation potential of the exhaust does not depend on engine technology.

Fleet

Fleet Engine Global Fuel Economy

EV Driven

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

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