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Here's your chance to vote for the best-looking state police cruiser

Across the country, state police generally drive the same types of vehicles. Right now, the most common cruisers are Ford Explorers, Chevrolet Tahoes, and Dodge Chargers, with some exceptions sprinkled in. The differentiation comes through in the livery, which can range from simplistic badging to busy stripes. Each year, the American Association of State Troopers (AAST) holds a fun contest to determine which state has the coolest-looking cars, and 2019 voting has just opened. We discovered the contest after Motor1 posted about the Florida Highway Patrol's newest addition to its fleet, a Dodge Challenger R/T. The musclemobile is, without question, the coolest car in the competition, and it might have the best livery too. But that doesn't mean it's going to win, as contests like this often turn into hotbeds for chest-beating homers.  The AAST is posting results on Facebook, and as of July 17, 2019, Kentucky and Nebraska are blowing the rest of the states out of the water. Florida is in ninth place with 4,653 votes compared to first-place Kentucky's 14,699. New Jersey is in last place with only 107 votes. As the internet goes, this will likely be determined by how many times the contest is shared across social media.  The Challenger isn't the only eye candy, either. Not every state participated, but those that did came correct with the photography, including Nebraska posing its car in front of a freakin' tornado. Others staged their cars with helicopters in the background, some set the car in front of the gorgeous landscapes their states have to offer, and others posed with dogs. Because who doesn't love dogs? No matter which car wins, it's cool to see the various designs all in one place. Check out the gallery above and vote for your favorite on the AAST's survey. The survey will close on July 30, 2019.  

Nuclear-powered concept cars from the Atomic Age

In the 1950s and early 60s, the dawn of nuclear power was supposed to lead to a limitless consumer culture, a world of flying cars and autonomous kitchens all powered by clean energy. In Europe, it offered the then-limping continent a cheap, inexhaustible supply of power after years of rationing and infrastructure damage brought on by two World Wars.
The development of nuclear-powered submarines and ships during the 1940s and 50s led car designers to begin conceptualizing atomic vehicles. Fueled by a consistent reaction, these cars would theoretically produce no harmful byproducts and rarely need to refuel. Combining these vehicles with the new interstate system presented amazing potential for American mobility.
But the fantasy soon faded. There were just too many problems with the realities of nuclear power. For starters, the powerplant would be too small to attain a reaction unless the car contained weapons-grade atomic materials. Doing so would mean every fender-bender could result in a minor nuclear holocaust. Additionally, many of the designers assumed a lightweight shielding material or even forcefields would eventually be invented (they still haven't) to protect passengers from harmful radiation. Analyses of the atomic car concept at the time determined that a 50-ton lead barrier would be necessary to prevent exposure.

2020 Chevy Silverado HD vs. 2019 Ram, Ford heavy duty trucks: How they compare on paper

Last year was all about the latest in light-duty full-size pickup trucks, so this year, Ram, Ford and Chevy are launching the heavy-duty variants. The first out of the gate is the redesigned 2019 Ram 2500 and 3500 HD, and Ram dropped all the pertinent specs with the reveal. Chevy followed with the new Silverado HD in Chicago, and Ford revealed updates to the Super Duty at the same show. Ford hasn't released details on output, payload capacity, towing capacity or pricing for the updated Super Duty. As such, we'll be comparing the current Super Duty with the all-new Silverado HD and Ram HD. Both Chevy and Ram have revealed full specs for each of their respective trucks, leaving out only pricing, which we've estimated based on the outgoing models. You can see the raw details in the chart below, followed by extra information and analysis. Some things to keep in mind: These specifications cover all versions of the Ram HD, Silverado HD and Super Duty, such as 2500 and 3500 models, and all the way up to F-450. Specifications can vary widely based on engine, drivetrain, cab and bed configurations, so be sure to take a close look at the specific model you're interested in when you get particularly serious about buying. And of course, be sure to check out our car comparison tool if you'd like to look at other trucks on the market. Engines and drivetrains All three of these trucks offer gasoline and diesel engines, but only the Ram has two versions of the diesel. Starting with gas engines, Ram's 6.4-liter V8 has the power advantage with 25 more horsepower than the next-most-potent Super Duty, but the new Silverado HD's 6.6-liter V8 takes the torque crown at 464 pound-feet, nearly 35 more than the other two gas engines. The Ram is also the only one to pair an eight-speed automatic with the gas engine, whereas the Ford and Chevy make do with a six-speed. With diesel engines, horsepower is a weak point for the Ram. The Ram's entry-level turbo 6.7-liter inline-six is the weakest, as the only one with under 900 pound-feet of torque and under 400 horsepower. Even the high-output version only makes 400 horsepower, while the Chevy makes 445 and the Ford 450. But the tables turn with torque, as the Ram makes a best-in-class 1,000 pound-feet followed by the Ford's 935 and the Chevy's 910. Both the Ram and the current Super Duty diesels each get a six-speed automatic, but the new Silverado HD's diesel gets a 10-speed unit.