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US: EPA and CARB to review SCR policies

The US Environmental Protection Agency (EPA) and the California Air Resources Board (CARB) have agreed to begin a ‘thorough review’ of their policies regarding the operation of heavy-duty truck and bus diesel engines equipped with selective catalytic reduction (SCR) aftertreatment to control oxides of nitrogen (NOx) exhaust emissions. Legal settlements disclosed It’s time to log … Continued

The US Environmental Protection Agency (EPA) and the California Air Resources Board (CARB) have agreed to begin a ‘thorough review’ of their policies regarding the operation of heavy-duty truck and bus diesel engines equipped with selective catalytic reduction (SCR) aftertreatment to control oxides of nitrogen (NOx) exhaust emissions.

Legal settlements disclosed

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