that are usually reserved for medium- and heavy-duty trucks; speculated weights range from . Due to the weight of the car, it could only reach about , and only achieved . The limousine was reported to cost between and (equivalent to about $– in ). The presidential state car was maintained by the United States Secret Service. The car had more bulletproof glass than the previous model. It also had run-flat tires and an interior that was completely sealed to protect the occupants in the event of a chemical attack. The 2009 presidential state car model had night vision optics, a tear gas cannon, onboard oxygen tanks, an armored fuel tank filled with foam to prevent explosion, and pump-action shotguns. Whether it was or was not armed with rocket-propelled grenades, the car featured doors. General Motors spokeswoman Joanne K. Krell said of the presidential state car, "The presidential vehicle is built to precise and special specifications, undergoes extreme testing and development, and also incorporates many of the top aspects of Cadillac's 'regular' cars—such as signature design, hand-cut-and-sewn interiors, etc." The curator of The Henry Ford told The Dallas Morning News that President Obama's state car was "a tank with a Cadillac badge." In 2013, the presidential state car was outfitted with standard Washington, D.C., license plates that read "TAXATION WITHOUT REPRESENTATION" in reference to the district's lack of representation in the United States Congress. The switch came after the D.C. city council petitioned the president to use the plates on his motorcade, which would be seen by millions of people as the president headed down Pennsylvania Avenue for his second inauguration. Current model Development In 2014, General Motors (GM) was awarded three contracts for the new limousine. Each state car was expected to cost , and by January 2016, GM had been paid for its work on the new model. After prototypes of the new model were seen driven on public roads wrapped in monochromatic multi-scale camouflage, Cadillac confirmed to Fox News that "We've completed our task and we've handed over the vehicle to the customer". The Secret Service confirmed that the program to replace the presidential car was "on track and on schedule" and should be in service by late summer 2018. Fox News' Gary Gastelu opined that the camouflaged prototype looked similar to the Cadillac CT6. Realization Still nicknamed "the Beast" (as established with the 2001–2009 model), the