PARSIPPANY, N.J., 2018-Mar-23 — /Travel PR News/ — For the 19th consecutive year, Avis Car Rental has been ranked the #1 car rental company in the Brand Keys Customer Loyalty Engagement Index®. The 2018 study examined brands in 84 categories. Avis received the highest marks in the car rental category by ranking first across all four behavioral engagement… Read the full press release