Tl* the contact owns a 2019 honda clarity plug-in hybrid. while driving 70 mph up a hill, the vehicle failed to accelerate and lost power. additionally, the miles per gallon for a fully charged battery was supposed to be 48 miles; however, the actual range was 38 miles. the vehicle was taken to norm reeves honda superstore west covina (located at 1840 e garvey ave s, west covina, ca 91791, (626) 251-2995) to be diagnosed. the mechanic test drove the vehicle, but was unable to duplicate the failure. the contact was also informed that the vehicle charged and operated as intended. the vehicle was not repaired. the manufacturer was notified. the approximate failure mileage was 2,200.