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Watch these videos of an NHRA racer's bodywork blowing off into a crowd

Just a few months ago, fan safety at racetracks was a hot topic following the last-lap NASCAR Nationwide Series crash at Daytona that sent large pieces of racecars into the grandstands injuring 33 fans. Now, a freak incident at a National Hot Rod Association event resulted in a drag racer's bodywork flying into the crowd at the NHRA Four-Wide Nationals in Charlotte over the weekend. The carbon-fiber body of Robert Hight's Ford Mustang funny car blew off toward the end of a run when his engine exploded, but fortunately, the two fans evaluated after the incident were later released without serious injury.
As you can see in the image above, the body flew high into the air before landing on a walkway in front of the grandstands, a bit of happenstance that likely gave most fans enough time and space to move out of the way. Scroll down to watch a couple of videos showing what happened, including one from a fan's perspective that also reveals what appears to be part of the body's metal bracing landing dangerously close to the crowd.

UAW warns automakers: Restarting U.S. plants is 'too soon and too risky'

WASHINGTON/WARREN, Mich. — The head of the United Auto Workers union on Thursday said it was "too soon and too risky" to reopen auto plants and Michigan's economy in early May, citing insufficient scientific data and coronavirus testing to assure workplaces are safe. The warning from UAW President Rory Gamble on Thursday afternoon came as General Motors Co , Ford Motor Co and Toyota Motor Corp took new steps toward reopening North American vehicle manufacturing operations in an environment where consumer demand is uncertain and worker safety paramount. The union has said that 24 of its members have died from Covid-19, though it was unclear whether they might have become infected in the workplace. Unionized Detroit automakers and non-union German and Asian automakers have been preparing to restart U.S. vehicle making operations by early May. Companies have shifted reopening dates amid uncertainty about government stay-at-home orders. Gamble's statement appeared to derail plans by the Detroit Three to start bringing UAW workers back to vehicle manufacturing jobs on May 4. The longer the automakers cannot produce profitable U.S.-made trucks and sport utility vehicles, the longer they burn cash. The UAW leader's statement was also aimed at Michigan Gov. Gretchen Whitmer, who has come under pressure from conservative groups and President Donald Trump to ease coronavirus stay-at-home restrictions. "At this point in time, the UAW does not believe the scientific data is conclusive that it is safe to have our members back in the workplace. We have not done enough testing to really understand the threat our members face," Gamble said. "We strongly suggest to our companies in all sectors that an early May date is too soon and too risky to our members, their families and their communities." Gamble said the union was "happy with the auto companiesÂ’ response and cooperation on working through the health and safety protocols we will need in the workplace when it is appropriate to restart." Earlier Thursday, GM began notifying front line managers to come back to work next week to get trained on new safety protocols designed to prevent the spread of the novel coronavirus as workers return to plants.

Ford wants smart cruise that's speed and grade sensitive

Ford is working to make adaptive cruise control even smarter and more economical for future vehicles. The automaker now has a patent (pdf link) on a system to use information on the grade of the road, traffic data, and a driver's preferences to eke out better fuel mileage over a journey. This solution would essentially put a little hypermiling right into a model's software. The Blue Oval's patent refers to this tech as "route navigation with optimal speed profile," and the system starts by splitting the way to the driver's ultimate destination into many smaller pieces. Each one is analyzed based on GPS data, and traffic info is also constantly updated. Based on the occupants' preferred travel time, all this info is combined to figure out the most efficient speed for each leg of the journey. All of these calculations are actually more than the car's computers can handle, so some of the math is offloaded to a cloud-based network. According to Ford, some of the benefits come when tackling hills while diving. Maintaining a single speed when going up and down steep grades isn't the most efficient method, but current technology can't easily make the necessary adjustments. This system uses the GPS data to adapt the vehicle's speed and leave the situation with better fuel economy. Ford is currently making major investments into autonomous driving technology and has some prestigious partners. While the patent documents don't specifically mention the optimal speed profiles for driverless vehicles, they seem like a natural fit. Over the course of an entire trip, the fuel economy gains would likely be even greater than over a few miles on a relatively flat interstate.