Ford is investigating the testing procedures it uses to certify its fuel economy and emissions standards after employees raised concerns about potential inaccuracies.
원문출처 : https://www.cnn.com/2019/02/21/business/ford-fuel-economy-emissions-tests/index.html
원문출처 : https://www.cnn.com/2019/02/21/business/ford-fuel-economy-emissions-tests/index.html