1991 Mercedes Benz 190e 2.3 on 2040-cars

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Singer Porsche, Koenigsegg, NSX: Leno's life doesn't suck

Jay Leno had quite a productive trip this year during Monterey Car Week. Not only did he get to pal around with Ian Callum and check out the Pebble Beach Concours d'Elegance, but the denim-clad comedian also headed to The Quail to talk to some prominent figures in the modern sports car scene. Capping off the fun, he got to take a drive in a Mercedes-AMG GT S, too Perhaps the highlight of this show is a nearly 10-minute interview with Christian von Koenigsegg. The founder of the Swedish hypercar company digs deep into the Agera One:1's engineering details, relating interesting facts about the aerodynamics and transmission. In addition, Leno chats with Rob Dickenson of Singer about its newly reimagined Porsche 911 Targa, and he gets the latest scoop on the Acura NSX's progress from newly promoted Acura Vice President and General Manager Jon Ikeda. If you like hearing about the nuts and bolts of sports car development, then this video can't be missed. Of course, we were there at Monterey, too, and we pointed our own cameras at some of the amazing machinery, both vintage and modern, at all the various car-focused events of the week. Take a look back at some of our own cool footage in the videos below. Related Video:

VW joins Daimler's protest of new A/C refrigerant as EU deadline for compliance passes

The case of Dupont and Honeywell's refrigerant R-1234yf is doing the exact opposite of keeping things cool. The two chemical companies have spent years and hundreds of millions of dollars developing R-1234yf to replace R-134a, the new refrigerant shown to be 99.7-percent kinder to the environment than the one it is meant to succeed. Part of that development has been years of testing by governments, outside safety agencies and automakers to approve the chemical for use in cars. It passed the protocols necessary for the European Union to declare that new and significantly revised cars from 2013 onward needed to use R-1234yf, and mandated that every car as of 2017 must use it.
Enter Daimler AG. The automaker created a head-on collision test with a B-Class at their Sindelfingen test track that would lead to the pressurized refrigerant being sprayed on the engine. The result in 20 out of 20 test was that the refrigerant burst into flames as soon as it hit the hot engine, while Daimler says that R-134a does not catch fire in the same test. Another unexpected result of the R-1234yf test was the release of hydrogen flouride, a chemical far more deadly to humans than hydrogen cyanide, emitted in such amounts that it that turned the windshield white as it began to eat into the glass.
Said a Daimler engineer in a Reuters piece, "It was scarcely believable. The most complicated lab tests conducted using the most sensitive measuring instruments around found nothing and all we do is drive a car around a couple of times, open a tiny hole in the refrigerant line and the next thing you know the car is on fire." So Daimler said it wouldn't use the refrigerant, and it recalled the cars it had already shipped with R-1234yf.

Smart brand will be built in China as a Daimler-Geely joint

FRANKFURT/BEIJING — Daimler will build its next generation of Smart electric cars in China through a joint venture with Geely, as a way to increase economies of scale in a market segment that is struggling to turn a profit. China's Geely built a stake of almost 10 percent in Daimler last year, saying it wanted to forge an alliance to develop electric and self-driving cars to better compete against new challengers such as Uber and Google. Daimler said on Thursday it would build the next generation of Smart-branded city cars at a purpose-built factory in China, and planned to share its expertise in manufacturing, engineering and design with Geely. The high cost of electric car batteries has made it hard for automakers to build affordable zero-emissions vehicles, leading several of them to strike alliances with Chinese partners. Daimler's German rival BMW recently unveiled plans to build electric Minis in China, where production costs are low and demand for small electric cars is rising. Daimler and Geely did not disclose financial terms of their deal. The details of the joint venture will be finalized by the end of 2019, they said in a joint press release. Daimler currently develops and builds Smart cars with Renault at factories in France and Slovenia. The Daimler factory in Hambach, France, will be retooled to build Mercedes-Benz cars. Geely has been expanding rapidly through mergers and acquisitions since 2010, when it acquired Swedish carmaker Volvo from Ford. Last year, Daimler and Geely set up a ride-hailing joint venture in China. Daimler's Chief Executive Dieter Zetsche said last month the German carmaker was in talks to deepen its alliance with Geely after the Chinese's group's chairman Li Shufu bought a 9.69 percent stake in Daimler in 2018.