That&#x27;s the USA. In Europe, things are more easy to rig.<p>For examples, see <a href="http:&#x2F;&#x2F;www.beuc.eu&#x2F;great-fuel-consumption-scam#thescam" rel="nofollow">http:&#x2F;&#x2F;www.beuc.eu&#x2F;great-fuel-consumption-scam#thescam</a> and <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=EKUtiL-R4sU" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=EKUtiL-R4sU</a> (subtitled in English)<p>Car manufacturers do not make the measurements themselves, but they directly do pay for it, and do shop around for the best testers. That raises doubts as to the independence of those testing firms.