Thanks for sharing...Pretty standard across all vehicles, highway speeds of 72MPH will have worse MPGs than at 35MPH...Also for 2017 the EPA includes cycles that are more "real world" which includes higher speeds and more A/C use, all vehicles including 707HP ICE Hellcats are beating their EPA rating WHEN driven efficiently...With China's EPA cycles, they got 72 miles of range out of Velite 5...If you're the person who drives efficiently, not a huge value from the EPA's rating, should look into the NEDC's rating which is driven less aggressively...Remember for 2007 the MY07 Prius was advertising 60/51, then the EPA changed its rules for 2008 and the same vehicle got a rating of 48/45...