National Car Rental is one of the fast and convenient car rental services. They are covering around 1,500+ locations globally. They have partnered with Emerald Club to provide their customer the best and luxurious service in the business, while also collaborating with Clorox for a safer and clean service and to expand their pledge of Complete Clean for the safety of their valuable customers. You can also win or earn rewards by turning your business trips into free rental days which is a great deal to avail of. For better access, you can also download their application on your cell phone which is available on both the iPhone App Store and Google Play.