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Bentley to retire aging 6.75-liter V8 with current Mulsanne

The massive 6.75-liter V8 in the Bentley Mulsanne is one of the oldest engines still in production. But it may not be around for much longer. According to Car and Driver, Bentley intends to finally put the big old pushrod V8 to pasture once the current Mulsanne is phased out, thus putting an end to a saga that goes back some 57 years. Powerful as it may be, ever-stricter exhaust emissions and fuel-consumption regulations will see that the L Series V8, originally introduced way back in 1957, doesn't stay in production forever. Whenever the Mulsanne is replaced, it will reportedly get a brand-new twelve-cylinder engine. Bentley is currently the world's largest producer of dozen-pot powerplants. Production of the British automaker's 6.0-liter twin-turbo W12 far outpaces anything from Rolls-Royce, Mercedes-Benz, BMW, Ferrari, or Lamborghini. Over the decades since its introduction, Bentley's long-serving V8 has gone from making an "adequate" amount of power and torque to an impressive 530 horsepower and a positively massive 811 pound-feet (with the help of a couple of turbochargers). Its eventual discontinuation wouldn't be the first attempt on the life of the 6.75-liter engine. When BMW briefly took control of both Rolls and Bentley, it replaced the big engine by a smaller 4.4-liter V8. Customer demand led Bentley to bring the old engine back. It will likely be some time before we get details of Bentley's next powerplant. Models like the Mulsanne and Rolls-Royce Phantom tend to stick around for a long time, and the latest version of Bentley's flagship was just released earlier this year. Related Video:

Xcar asks why the W in the Bentley Continental GT

There aren't a lot of automakers producing V12 engines these days: There's BMW and Mercedes, of course, and the Rolls-Royces and Paganis they power. There's Ferrari, Lamborghini and Aston Martin. But the largest producer of twelve-cylinder engines doesn't make them in a V. That'd be Bentley, and it produces more dozen-piston engines than anyone else, but arranges them in a W configuration. It's a compelling story of innovation, one as interesting as the history of the marque itself. And Xcar tells the tale in its latest video installment, tracing it back to the development of the compact VR6 engine and the autocratic mastermind at the helm of the Volkswagen Group who made the W12 a reality. By this point it would be all too easy to consign the W12 to the dustbin of history as the smaller, more efficient and nearly as powerful V8 has slotted in below to push the W12 to the margins of relevance. But it's still the more refined option, and the more innovative one. Little wonder it's the only type of twelve-cylinder engine (the Aventador's notwithstanding) that the Volkswagen Group still makes.

New Bentley interior veneer sourced from American Red Gum trees

Bentley is turning stateside for its newest exclusive wood interior finish, sourcing its first new veneer in five years from American Red Gum trees found in Mississippi wetlands. Bentley calls the new veneer Liquid Amber, a reference to the wood's perfumed scent. The red-hued wood undergoes a weeks-long natural smoking process to deepen its brown luster. Afterward, the veneer is then transported to Bentley's wood shop in Crewe, England, where it's examined alongside the six other types of veneers harvested from China to Canada to determine suitability, based on a high-burr density, minimal sapwood and a lack of bark growth or structural defects. Bentley says it rejects between 30 percent and 70 percent of all veneers offered. Raw veneer is then cut to a precise 0.6-millimeter and tested for stability in UV light and consistency from tree to tree. The whole process takes at least 18 months before the veneer is installed in one of Bentley's vehicles, which start at $189,000 for the Flying Spur sedan. Also known as the Sweetgum tree, the American Red Gum is native to lowland areas of the southeastern United States. It was once used commercially for soaps, adhesives and pharmaceuticals but is valued today primarily for use in furniture, cabinetry and interior finishing. Bentley says it harvests the trees only twice a year due to restricted access to the wetlands where it sources the wood. Bentley also announced it has begun using slate and quartzite stone veneers sourced from select quarries in India. They're split from a larger stone piece, cured using fiberglass and a bespoke resin, and shaped and finished by hand by the Mulliner coach building team in Crewe.Related Video: Featured Gallery Bentley wood finish Image Credit: Bentley Bentley Luxury bentley flying spur