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Ysabelle Kempe

Auto traffic flows in and out of Los Angeles, California, one of the worst traffic-congested cities in the country, on August 28, 2018. - Shares of big US automakers rose on news the US and Mexico reached a deal to update the 25-year North American Free Trade Agreement, pending Congressional approval. (Photo by Frederic J. BROWN / AFP) (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images) (Frederic J. Brown/Getty)

Why activists distrust this plan to cut emissions from cars and trucks

Ysabelle Kempe