> It's known that CARB ordered the research due to discrepancies in US v EU numbers—but someone pushed them to look at the numbers closely. This is revealed in

> It's known that CARB ordered the research due to discrepancies in US v EU numbers—but someone pushed them to look at the numbers closely. This is revealed in these quotes from the article: German and his colleagues at the International Council on Clean Transportation (ICCT) in the US just wanted to tie up the last loose ends in a big report, and thought the research would give them something positive to say about diesel. ... German’s group also forwarded the findings to the US Environmental Protection Agency (EPA) and California’s Air Resources Board (Carb). “We were definitely scared. We wanted EPA and Carb to take over.”