Green Car Congress

FEBRUARY 5, 2020

CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019). This has resulted in higher catalyst loading per volume of substrate and led to downsizing of systems from those available in 2010. Chart: MECA. —MECA Executive Director, Rasto Brezny.

Emissions 291

Emissions Diesel Engine 2010 291

Green Car Congress

JUNE 16, 2011

To address this request, the NRC formed the Committee on the Assessment of Technologies for Improving Light-Duty Vehicle Fuel Economy. Further, the benefits of some technologies are not completely represented in the tests used to estimate corporate average fuel economy (CAFE).

Fuel 210

Fuel Downsizing Fuel Economy Diesel 210

Green Car Congress

SEPTEMBER 21, 2009

On 15 Sep, NHTSA and the US EPA proposed a joint rulemaking on fuel economy and greenhouse gas emissions for light duty vehicles: an average new car 34.1 The 250 g/mile of CO 2 equivalent emissions limit by EPA is equivalent to 35.5 mpg and 250 g CO 2 /km for model year 2016. Earlier post.) Technologies.

2016 210

2016 MPG Fuel Economy EPA 210