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Volvo Polestar reveals new V8 Supercars engine

Volvo may be better known for turbo fives and inline fours, but in 2005 it launched the XC90 with a new eight-cylinder engine built for it by Yamaha. Fast forward to this past June when Volvo announced its intention to enter Australia's V8 Supercars series, where it would compete with the likes of Ford, Holden, Nissan and Mercedes-AMG. This is the engine with which it intends to do so.
Revealed this weekend at the Sydney 500, this competition-spec powerplant is based on the same B8444S that powered the XC90 and S80 (not to mention the Noble M600), but tuned for racing duty to be shoehorned into the new S60 touring car. The 60-degree aluminum block has been bored out from 4.4 liters to 5.0, its compression ratio boosted to 10:1, modified to run on E85 bio-ethanol and its redline increased to 7500 rpm. Volvo also promises a unique engine note from its new racers.
While Volvo and its racing partner Polestar haven't released official output numbers, regulations call for outputs between 620 and 650 horsepower - in any event, a whole lot more than the 311 hp it produces in stock form. (Noble managed to squeeze that much out of the same block, but that required twin turbochargers while this unit remains naturally aspirated.) Scope out the details in the press release below and the photos from the reveal in the gallery above.

Recharge Wrap-up: Volvo's efficient truck concept, Tesla's updated mobile charger is cheaper

Mercedes-Benz plans to equip its gasoline-powered cars with particulate emissions filters, just like its diesel vehicles. Claiming to be the first automaker to apply the technology to gasoline motors, successful testing in the S500 led to the decision to expand the use of these filters. This announcement coincides with a $3.35 billion investment in clean diesel technology, including a new four-cylinder engine that adheres to strict emissions guidelines. It's not clear when Mercedes will begin including the filters on its gasoline vehicles, or if it intends to use them outside of Europe. Read more at Green Car Reports. Tesla has updated its mobile charger and given it a lower price. The 40-amp "Mobile Connector Bundle" – which used to sell for $650 – is now priced at $550 with two adapters and a storage bag, with an available $520 version offered without the adapters. Tesla's product description reads, "The Corded Mobile Connector has an integrated 240 volt 50 amp rated plug for high power output. A seamless design provides a low profile connection, allowing for use with covered outdoor outlets." Read more at Electrek. Volvo has developed a new truck concept that reduces fuel consumption by more than 30 percent. The modified Volvo FH 420 long-haul truck, simply called the Volvo Concept Truck, features 40 percent better aerodynamic efficiency, a weight reduction of about 4,400 pounds, and tires with lower rolling resistance. The truck's rear view mirrors have been replaced by cameras, which, in addition to reducing drag, also improve safety through better visibility. While the research vehicle won't reach market as-is, some of its aerodynamic features have already been included in real-world applications, with more to come as Volvo aims to improve the efficiency of its trucks by 50 percent. Read more at Green Car Congress, and in the press release below. Volvo Trucks' new concept truck cuts fuel consumption by more than 30% Almost one-third lower fuel consumption. Volvo Trucks' new concept vehicle shows how it is possible to drastically boost productivity in long-haul operations. Among the secrets behind these remarkable fuel savings are aerodynamic design and lower kerb weight. With support from the Swedish Energy Agency, Volvo Trucks has developed a new concept vehicle, the Volvo Concept Truck. It is the result of a five year long research project aimed at creating more energy-efficient vehicles.

Volvo's European EX30 launch plagued by software issues, refunds

Are we ready to include crippling software problems in electric vehicles part of "the new normal?" If so, we'd think little of it. We're most surprised by Volvo being the reason for asking the question. The Swedes had to postpone production of their flagship 2025 EX90 due to software issues. Then, after crowing about starting production, we find out the automaker's informed buyers that their EX90's might not be complete upon delivery, waiting for over-the-air updates to restore functionality that buyers of an $80,000 would expect to come with their vehicle. Overseas, the EX30 appears to be in even more trouble, its software reminding us of the problems Volkswagen had with its ID.3 and Chevy had with its Blazer EV on launch. Autocar reports that the glitches "range from screens going black and steering-wheel buttons not responding to cars not charging and even emergency braking systems randomly activating," as well as "bricked infotainment touchscreens, incorrect information displayed (such as time and range), profiles reverting back to factory settings and driver aids failing." Some customers are reportedly returning their cars to Volvo for full refunds. The automaker told Autocar the EX30 remains on sale, but in the UK, Volvo's pushed online shoppers to the 2025 model; the 2025 EX30 launches July 8, Volvo said. The configurator at Volvo's UK site advisers visitors, "EX30 Model Year 2024 is no longer available for new configurations. However you are welcome to browse our stock cars." At the time of writing, we did not find any similar notice on the Volvo sites for France, Germany, or Sweden. A poster on a UK forum for EX30 owners wrote to another member that ordering's been disabled on the UK site for three months. And it's a popular model. Volvo has more than 35,000 units in Europe through the end of May, making it the third-best-selling selling EV there after the Tesla Model Y and Model 3. Every new car comes with its share of hiccups. Based on checking forums, owners seem thoroughly pleased with the EX30's build quality. The hiccups here and in general with EVs is that their primary issues trace back to software (on top of the usual mechanical issues all vehicles face). On that UK forum for EX30 owners, the Recent Topics tab is peppered with threads about problems with the hatchback, the Faults & Technical section contains 85 individual topics (some of which are undoubtedly duplicates or misplaced).