Green Car Congress

JUNE 11, 2019

The MECA assessment is based on the implementation timeline presented by CARB staff at a January 2019 public workshop as well as the assumptions laid out in the CARB staff white paper released in April 2019. Some of these strategies can be deployed on cold-start to heat up aftertreatment and keep it hot under low engine load operation.

Standards 191

Standards Diesel 2019 Emissions 191

Green Car Congress

FEBRUARY 5, 2020

This has resulted in higher catalyst loading per volume of substrate and led to downsizing of systems from those available in 2010. New substrates are designed with thinner walls or higher porosity, which allows the coating of better catalysts without sacrificing durability.

Emissions 291

Emissions Diesel Engine 2010 291

Green Car Congress

NOVEMBER 23, 2011

The white papers defining the various technical areas of R&D should be reviewed and revised, as appropriate, periodically and prior to any future review. the validation, demonstration, and deployment of advanced truck and bus technologies, and growing their reliability sufficient for adoption in the commercial marketplace.

EPA 199

EPA Fuel Engine Hybrid 199