Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.
Q: ALSO SEE: Tesla Semi Debuts With 500 Miles of Range, 80,000 lb Towing Capacity Drives Briskly Equipped with four independent electric motors and driving the four rear wheels, the Tesla Semi fully loaded will be able to reach 60 mph from a standing start in 20 seconds. ALSO SEE: Tesla Semi Debuts With 500 Miles of Range, 80,000 lb Towing Capacity. Drives Briskly. Equipped with four independent electric motors and driving the four rear wheels, the Tesla Semi fully loaded will be able to reach 60 mph from a standing start in 20 seconds. Without a trailer attached? That number sheds to 5 seconds. In a Steve Jobs-ian “one more thing” kind of move, CEO Elon Musk made a semi-surprise announcement: Tesla will bring back a new version of its first vehicle, the Tesla Roadster. It will be, of course, the world’s fastest car, Musk says, with a 0-60 time of less than 2 seconds. As with the Model 3, fans of the Tesla Semi can place a deposit – $5,000 down – against a purchase price that Tesla didn’t announce and a delivery date said to be in 2019. There are about 4 million big Class 8 tractors on the market now, with a quarter-million new tractors sold each year. 98 percent are diesel and most of the rest run on compressed natural gas. In a side-by-side comparison of how fast it takes a diesel truck to move 0-60, he showed how quickly the Tesla semi can hit it: 5 seconds. The interior offers one of the most striking features, up front. There’s center-mounted seating, like a McLaren F1. There are just so many interesting details to explore with the Tesla Semi, so we decided to highlight the five major ones that are most likely to get the people talking. Get the Flash Player to see this player. ALSO SEE: Tesla Semi Debuts With 500 Miles of Range, 80,000 lb Towing Capacity. Drives Briskly On a single charge, the Semi should be able to cover 500 miles of highway driving. It can also do this while towing at its maximum capacity of 80,000 lbs. A network of innovative solar powered Tesla charging stations will be installed worldwide to provide fast 30 minute charging for typical truck routes. In addition, up to 400 miles can be achieved after that 30 minute charge. A carbon fiber cab. A centrally-mounted driving position, like in a McLaren F1. A 500-mile range. Zero to 60 mph in five seconds. Semi-autonomous convoy capability. This is the Tesla Semi. Maybe Tesla will find some economies of scale, but the weight of the Tesla Semi is going to include at least five tons of lithium-ion batteries. In comparison, a 6 mpg diesel tractor-trailer would use about 600 pounds of fuel on a 500-mile trip. The Tesla Semi is also quick. Musk ran off these superlatives: The Tesla Semi will accelerate from 0-60 mph in five seconds, by itself, with no trailer. With the trailer and a full 80,000 pound load, it’s 20 seconds to hit 60 mph versus almost a minute for a diesel truck. Query: how fast is the tesla semi
A: 
The Tesla Semi fully loaded will be able to reach 60 mph from a standing start in 20 seconds.