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Rolls-Royce Arcadia Droptail unveiled as the third in a four-car series

If you're wealthy, you buy a new Rolls-Royce. If you're extremely wealthy, you work directly with the brand to design a one-of-a-kind car from the ground up. The firm has revealed its latest one-off, a convertible named Arcadia Droptail, and detailed the long development process. Built for an anonymous client in Singapore, the Arcadia Droptail borrows the first part of its name from a place known as "heaven on Earth" in Greek mythology. Rolls-Royce explains that the design perfectly reflects the customer's tastes and personality, including a passion for architecture and a subtle, restrained take on the concept of luxury. This likely explains why there's not much in the way of bright trim on the outside; instead, the Arcadia Droptail is characterized by a soft and almost organic design while remaining recognizable as a Rolls-Royce. Working directly with the customer, the brand put a great deal of thought into picking a color: the shade of white chosen is infused with aluminum and glass particles for a pearl-like effect that adds depth. These details help the Arcadia stand out from the two existing Droptail models unveiled in 2023. The overall design remains largely unchanged with an upright grille, thin rear lights, and a rounded back end. Santos Straight Grain wood trim dominates the interior and creates another link between cars and boats. Rolls-Royce explains that this was one of the most challenging parts of the project: Santos Straight Grain is difficult to work with, and the client plans to use the car all around the world so the trim needs to withstand wildly different temperatures and humidity levels. The brand initially considered applying the type of coating used in yachts but ruled it out because it needs to be re-applied on a regular basis. Instead, it went through the trouble of developing a specific lacquer that lasts for the life of the car. It adds that this part of the build required over 8,000 hours of work, including testing. The clock embedded into the dashboard was created in-house as well; it took over two years to develop and five months to make. Referred to as "the most complex Rolls-Royce clock face ever created," it features a guilloche pattern with 119 facets and hand-polished parts. Rolls-Royce hasn't published technical specifications. We're guessing that power comes from a V12 engine. All told, designing the Arcadia Droptail took over four years. There's no word on how much the project cost.

Mansory-tuned Rolls-Royce Cullinan is dubious decadence

German tuner Mansory doesn't do subtle, but its latest take on the Rolls-Royce Cullinan goes above and beyond in the flamboyance department. It celebrated the opening of its first showroom in Dubai by giving the British SUV a love-it-or-hate-it redesign inside and out. Nearly every part of the Cullinan's exterior has been modified. Mansory installed a full body kit that adds a deeper front bumper with extra air intakes and a splitter, vents chiseled into the fenders, side skirts, a spoiler above the rear window, and a sizeable rear diffuser. Flared wheel arches cover 24-inch forged wheels, and many of the exterior add-ons feature a black, gray, and white finish that almost looks like granite, a resemblance we're guessing is intentional. And, don't look for chrome: The bright bits were made black to give the SUV a more sinister look. Inside, the granite-esque finish appears on most of the trim pieces, and Mansory fitted leather upholstery with a wave-like motif on the door panels and on the center consoles — there are two in the Cullinan. The passenger sitting in the back enjoy individual power-adjustable seats upholstered in different colors, tray tables integrated into the front seatbacks, and an outline of the United Arab Emirates in the headliner. The same outline is stitched into the rear headrests and into the seatbelts, which also gain a white Mansory-branded stripe. Mansory didn't publish precise technical specifications, but we know that it didn't leave the drivetrain untouched. It quotes an output of 610 horsepower and 701 pound-feet of torque, while the stock Cullinan's 6.75-liter V12 posts 563 and 627, respectively. Another detail that hasn't been released yet is pricing. But, if you need to ask, odds are you're not the kind of customer that Mansory wants to lure into its showroom. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Recharge Wrap-up: Smart metals, OTA updates, Rolls-Royce LNG ship

"Smart" metals could help engines reduce emissions and invigorate US business. Metallurgist and University of Wisconsin – Milwaukee professor Pradeep Rohatgi combines known metal alloys with materials like ceramics, nanoparticles, and recycled waste to produce strong, lightweight composites with self-lubricating properties that help internal combustion engines run more efficiently. Rohatgi hopes his startup, Intelligent Composites, and its products can help US foundries compete with production outsourced overseas. See the video above, and read more at Phys.org. Almost 203 million cars will be capable of over-the-air (OTA) updates by 2022, according to ABI research. While Tesla has the OTA firmware updates nailed down, other automakers will focus on software update capability. This will take the place of dealer-installed updates and - like Chrysler did after the Jeep hacking incident - updates sent to owners via USB drives. OTA updates will enhance vehicle security and reduce recall rates. Read more at Green Car Congress. European bus manufacturers have agreed upon a standardized charging interface for their electric buses. Irizar, Solaris, VDL and Volvo will use pantograph charging for "opportunity charging" and CCS plugs as the base for overnight charging and network communication. The manufacturers hope other bus makers and charging providers to join them in cooperation over standardized charging. Read more at Green Car Congress. The second Audi Autonomous Driving Cup will take place from March 22 to 24, 2016 at the automaker's Museum Mobile in Ingolstadt, Germany. The competition involves eight university teams implementing basic Audi software in 1:8 scale electric Audi Q5 models, and putting them through the paces of simulated real-world driving situations. The teams develop software architecture to use the suite of sensor to have the cars drive, park, maneuver in traffic and perform emergency braking autonomously. Teams also perform a freestyle event where they put the car through an additional task of their choosing. The winning team gets ˆ10,000, with smaller prizes for second and third place. The competition also gives the students the opportunity to showcase their skills in front of a potential employer. Read more at Green Car Congress. Rolls-Royce will provide the Liquefied Natural Gas (LNG) propulsion for an NSK cargo ship carrying fish food. The ship will deliver 2,700 metric tons of fish food to fish farms along the Norwegian coast.