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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.

2015 VW Beetle GRC packs 553 rallycrossing horsepower

In case you couldn't tell from all the wings and vents, this is not your average Volkswagen Beetle. It's the rally machine Tanner Foust and Scott Speed will be driving in the Global Rallycross Championship this year. Don't let the retro form fool you – it is an absolute beast. Last year's Beetle GRC packed a 1.6-liter turbo four good for an astonishing 544 horsepower and 387 pound-feet of torque, but the new one does one better: it now features a 2.0-liter turbo four good for 553 hp and 465 lb-ft. That's right – in a Beetle. It's also got ZF dampers, 9.5 inches of suspension travel, 14-inch front brake discs with four-piston calipers packed into 17-inch wheels and, of course, all-wheel drive. The result? 0-60 in – wait for it – two seconds flat (or thereabouts). It's geared low so it'll only top out at around 125 miles per hour, but that's all it needs for the short tracks on which it's designed to compete. Foust and Speed will be driving this beast for Andretti Autosport in the 2015 championship that kicks off at the end of May in Ft. Lauderdale. Both have quite the act to follow as Foust won back-to-back titles in 2011 and 2012, and former F1 driver Speed won three rounds last season to finish third in the standings. Related Video: VOLKSWAGEN ANDRETTI RALLYCROSS TEAM UPDATES BEETLE GRC CARS FOR 2015 SEASON Tanner Foust and Scott Speed will contest the 2015 Red Bull Global Rallycross Championship with a pair of 2.0-liter Beetles Indianapolis, IN (April 29th, 2015) - After a strong performance in its inaugural season, the Volkswagen Andretti Rallycross team is ready to challenge for this year's driver and manufacturer titles in the Global Rallycross Championship. In 2015, the team will be on the attack with two Beetle GRC race cars, which debuted in the final races of 2014. This rallycross car is the ultimate expression of the third-generation Beetle. Designed and engineered from the outset as a GRC car, it features a sequential six-speed transmission, with a fixed-ratio all-wheel-drive system that features multiplate limited-slip differentials at the front and rear. For the 2015 season, the team has chosen to change the engine specification from the car that ran in selected rounds of the 2014 series. In place of that car's 1.6-liter turbocharged and intercooled TSI® four-cylinder engine, there is now a 2.0-liter TSI engine that produces 553 horsepower and 465 pound-feet of torque, compared to 544 hp and 387 lb-ft for the 2014 car.

2015 Volkswagen Jetta TDI

Volkswagen calls its 2015 Jetta "refined, redesigned," and countless man-hours have gone into its re-engineering, but you'd need to crawl all over the car, unbolt most of the body, drive it or spend some time on VW's website to fathom the changes. That's why we wrote, "2015 Volkswagen Jetta is new, we promise," when we first saw the car in New York last April. While we wait for a sweeping next-generation overhaul to come, the marquee elements for now are the new structure underneath designed to win an IIHS Top Safety Pick+ rating, fuel economy increases and a heavily reworked 2.0 TDI diesel engine. Plus, there's ornamental detailing around the body and updated interior, and the revamped trim package and accessories matrix promises to provide more value. That makes it a better buy than the 2014 model, assuming it can find buyers ready to appreciate the subtleties. Outside, improved aerodynamic prowess is the primary goal, and almost all of the visual refresh works to further that aim. A new grille with three cross fins sits atop a slipperier bumper and air intakes. On models with the 1.8T gas engine and new 2.0 TDI diesel, the grille is fitted with a shutter to decrease drag and, on the diesel, speed up the engine warming. There are sleeker rain gutters inside the A-pillars and paneling under the body by the rear axles. Attending to airflow in back is an altered decklid reshaped with an integrated spoiler. Among the other changes are optional adaptive bi-Xenon headlights lined with 15 LED running lights and a chrome strip of brightwork. New fog lights are set in the flanks of the lower lip, and LED taillights can be had on the GLI and Hybrid models, with a tweaked VW logo sitting in between. The illuminating upgrades continue inside with ambient lighting and a crisper dash cluster display. Those cabin changes are joined by an optional "tunnel" theme for the gauges, a new steering wheel design with piano black accents and chrome, redesigned vent controls and new fabric options. Changes to the front substructure from the bumper to the front doors, and strengthened A-pillars combined to win the 2015 sedan a Top Safety Pick+ rating from the Insurance Institute for Highway Safety. We're here to focus on the diesel model, and the updated EA288 2.0 TDI engine and its modular packaging is the most visceral highlight for 2015, inserting new numbers on every line of the spec sheet compared to its predecessor, save for cylinder bore spacing.