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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.

2023 BMW M2 revealed, BMW i4 and Mercedes-AMG SL 63 driven | Autoblog Podcast #751

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Road Test Editor Zac Palmer. In this week's news, we discuss the Jaguar F-Type commemorative 75 model, the reveal of the 2023 BMW M2, as well as the Rivian recall and its repercussions. We talk about the cars we've been driving, including the Ford Mustang Ice White Edition, BMW i4, Mercedes-AMG SL 63 and Lexus RX 500h F-Sport. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #751 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 Jaguar sends off the F-Type with commemorative 75 model 2023 BMW M2 revealed: Hot and heavy Rivian recalling nearly all 13,000 of its vehicles over steering hazard Cars we're driving 2022 Ford Mustang GT Ice White Edition 2022 BMW i4 2022 Mercedes-AMG SL 63 2023 Lexus RX 500h F-Sport 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:

Mercedes-Maybach G650 Landaulet | Autoblog Minute

The Mercedes-Maybach G650 Landaulet is the latest limited run of G-Class luxury. Maybach Mercedes-Benz SUV Luxury Autoblog Minute Videos Original Video