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Jeep Grand Cherokee Trailhawk and a Final Four of automakers | Autoblog Podcast #723

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Consumer Editor Jeremy Korzeniewski. We start out with news on the Lotus Eletre and Ferrari Purosangue. These two high-end crossovers are followed by discussions about the new inline-six engines from Stellantis and an overabundance of Hummer EV orders. Next we try something we've never tried before: ranking automaker blue bloods. We took inspiration from the current NCAA tournament, which features Duke, North Carolina, Villanova and Kansas — very much traditional blue-blood basketball programs — to name our Final Four automakers. Let us know if you agree or disagree with our picks and what your definition of a blue blood car brand is. We wrap up with a discussion about the Jeep Grand Cherokee Trailhawk that Jeremy's been driving all week. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #723 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Lotus Eletre Ferrari Purosangue Stellantis inline-six Hummer EV orders Cars we're driving Jeep Grand Cherokee Trailhawk Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Green Podcasts Ferrari Hummer Jeep Lotus Crossover SUV Electric Luxury Off-Road Vehicles Performance

This is how ground effects work in a nutshell

There are two ways to generate downforce. One is with all manner of wings and spoilers on the surface of the vehicle. The other is with ground effects. One you can clearly see, the other remains something of a hidden mystery. Fortunately, the good folks at Lotus and Goodwood are here to dumb it down for us non-engineer types. It's called Bernoulli's Principle, named after Swiss physicist Daniel Bernoulli who literally wrote the book on the subject way back in the 1700s. Countless engineers have spent their careers focused on its study and application, but the crux of the matter is that, as the speed of air (or other "fluid") increases, pressure decreases. Play with the air's increasing speed and decreasing pressure just right and you can generate downforce underneath the body of a car without significantly increasing drag as you would with surface spoilers. For evidence of how Bernoulli's Principle applies in practical terms, just look at the last Ferrari to pack a turbocharged V8 in the middle and the latest one. The F40 had a giant wing on the back, where the 488 GTB has none. But because the 488 uses underbody aerodynamics (or "ground effects"), it generates significantly more downforce than the winged F40 ever could, and at lower speeds. Ferrari, however, was not the first outfit to harness the power of ground effects. Lotus did with the legendary 79 that Mario Andretti drove to the world championship back in 1978. That was the genius of Colin Chapman, and to explain how it all works in layman's terms, our friends over at Goodwood Road & Racing brought in Colin's son Clive Chapman, head of Classic Team Lotus, to put together the video above. Related Video:

Lotus Type 132 crossover EV teased five ways in video

Lotus has combined its series of video teasers of the Type 132 crossover into one reel. The result provides peeks at five of the features we can expect on the electric CUV when it launches next year. Under the "Breathe" section, there's the active lower grille, divvied-up hexagonal openings that twirl open or closed to provide the right combination of powertrain cooling and vehicle aerodynamics. Titled with "See," there's what looks like a sensor detection unit rising from the roof; it looks like a LIDAR unit pointed toward the rear, but it's impossible to know from the clip. In the "Stretch" section, we see an active rear spoiler moving into a higher drag configuration, connected to a fender with lines that evoke the Evija and Emira. Finally, in "Awaken," there's what looks like a giant screen canted toward the driver and towering over the instrument panel. The Type 132 will commence Lotus' EV-only series production future, the first of four models due in the next few years, and the largest. After it will come a sedan marketed as a four-door coupe known as Type 133, expected on sale in 2023, a smaller crossover called the Type 134 that will debut in 2025, and a sports car currently dubbed Type 135 that's planned for 2026 and could get an Alpine-branded sibling. The four-door models are expected to ride on Lotus' Evolution architecture for "premium" vehicles, with available dual-motor powertrains that might get up to 750 horsepower powered by batteries up to 120-kWh. The sports car will get the E-Sports platform Lotus will share with Alpine and sell to other manufacturers, the junior relative of the Extreme platform that supports the 1,973-hp Evija.  Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.