
Senator Tom Carper @SenatorCarper
As expected, the EPA Inspector General has vindicated EPA career staff's scientific conclusions that old, outdated diesel trucks ("zombie trucks") belch up to 450 times as much particulate matter pollution as new trucks with modern pollution controls https://t.co/2pHlCwfLOm https://t.co/pZn9eGwMTl — PolitiTweet.org