paragraph_text: Shigeyuki Hori is the principal designer of Toyota's acclaimed Hybrid Synergy Drive hybrid motor system which is in use by several vehicles including the Prius and Lexus RX Hybrid. An executive chief engineer in Toyota Motor Corporation, Dr. Hori served as chief engineer for more vehicles simultaneously than any other person in the company's history, by taking charge of the Prius, Celica, MR2, Caldina, Opa, Avensis, and Scion tC development efforts in the early to mid-2000s.

paragraph_text: A facelift was designed through late 2010 and patented on 7 January 2011 under design registration number 001845801 - 0004. The facelift was unveiled at the March 2012 Geneva Motor Show with new wheels, interior colors, new head and tail lamps and new grilles. New LED running lights were introduced as well. The F Sport was introduced, with a honeycomb grille, 8 - speed automatic transmission, and a unique sporty interior. In the US, the new model uses the Lexus Enform telematics system, which includes the Safety Connect SOS system and Shazam tagging. Sales began worldwide in April 2012 for the RX 350 and RX 450h, with sales for the F - Sport variants starting in July of the same year.

paragraph_text: Janesville Assembly Plant is a former automobile factory owned by General Motors located in Janesville, Wisconsin. Opened in 1919, it was the oldest operating GM plant when it was largely idled in December 2008, and ceased all remaining production on April 23, 2009. The demolition of the plant began in April 2018.

paragraph_text: The Infiniti J30, or Nissan Leopard J Ferie in Japan, was a rear wheel drive luxury car. The J30 went into production on April 7, 1992 as a 1993 model to replace the M30 (which was a coupe), and was launched in the United States after its competitor, the Lexus GS. The car was designed to slot between the smaller G20 and the larger Q45, as Infiniti's first mid-size sedan to compete directly with the Acura Legend. Also, it was fairly small but featured rounded styling uncharacteristic of the crowded executive car class, that is now reminiscent of a four-door coupé. Chief designer for the J30 was Jerry Hirshberg, president of Nissan Design International (NDI) and exterior designer Doug Wilson in 1988-1989. Design work was frozen in 1989. In a promotional video produced in 1994, it was referred to as a "personal luxury sedan" as attempt to define it as a four-door coupé. It has the round looks of the Nissan Altima/Bluebird U13.

paragraph_text: By the early 1960s, the US had begun placing stiff import tariffs on certain vehicles. The so - called ``chicken tax ''of 1964 placed a 25% tax on imported light trucks. In response to the tariff, Toyota, Nissan Motor Co. and Honda Motor Co. began building plants in the US by the early 1980s.

paragraph_text: BMW released the first iPod automobile interface, allowing drivers of newer BMW vehicles to control an iPod using either the built-in steering wheel controls or the radio head-unit buttons. Apple announced in 2005 that similar systems would be available for other vehicle brands, including Mercedes-Benz, Volvo, Nissan, Toyota, Alfa Romeo, Ferrari, Acura, Audi, Honda, Renault, Infiniti and Volkswagen. Scion offers standard iPod connectivity on all their cars.

paragraph_text: Toyota Matrix Overview Manufacturer Toyota Also called Toyota Corolla Matrix Production 2002 -- 2014 Model years 2003 -- 2013 (USA) 2003 -- 2014 (Canada) Assembly Cambridge, Ontario, Canada (TMMC) Body and chassis Class Compact car Sport compact Body style 5 - door hatchback Layout Front engine, front wheel drive / all wheel drive Related Toyota Corolla Lexus CT Pontiac Vibe Chronology Successor Toyota Corolla iM

paragraph_text: Norfolk Assembly was a Ford manufacturing plant that opened on April 20, 1925 on the Elizabeth River, near downtown Norfolk, Virginia -- closing in 2007.

paragraph_text: The Jonga was a Nissan designed vehicle used by the Indian Army. Jonga was an acronym for Jabalpur Ordnance aNd Guncarriage Assembly.

paragraph_text: The Packard plant was opened in 1903 and at the time was considered the most modern automobile manufacturing facility in the world, with skilled craftsmen involved in over eighty trades. The factory complex closed in 1958, though other businesses operated on the premises or used it for storage until the late 1990s.

paragraph_text: The Acura RLX is a full-size luxury sedan manufactured by Honda and sold under their Acura division, released in 2013. Succeeding the Acura RL, the RLX offers two versions, a front-wheel drive base model equipped with Acura's Precision All-Wheel Steer (P-AWS) four-wheel steering system, and a hybrid variant featuring SH-AWD that serves as Acura's flagship. The JDM version, the Honda Legend, is only offered with the SH-AWD powertrain.

paragraph_text: Seattle remained the corporate headquarters of Boeing until 2001, when the company separated its headquarters from its major production facilities; the headquarters were moved to Chicago. The Seattle area is still home to Boeing's Renton narrow-body plant (where the 707, 720, 727, and 757 were assembled, and the 737 is assembled today) and Everett wide-body plant (assembly plant for the 747, 767, 777, and 787). The company's credit union for employees, BECU, remains based in the Seattle area, though it is now open to all residents of Washington.

paragraph_text: RX J1856.5−3754 (also called RX J185635−3754, RX J185635−375, and various other designations) is a nearby neutron star in the constellation Corona Australis.

paragraph_text: The Acura RL is a mid-sized / executive luxury car that was manufactured by the Acura division of Honda for the 1996–2012 model years over two generations. The RL was the flagship of the marque, having succeeded the Acura Legend, and was replaced in 2013 by the Acura RLX. All models of the Legend, RL and RLX lines have been adapted from the Japanese domestic market Honda Legend. The model name "RL" is an abbreviation for "Refined Luxury."

paragraph_text: Datsun (, ) is an automobile brand owned by Nissan. Datsun's original production run began in 1931. From 1958 to 1986, only vehicles exported by Nissan were identified as Datsun. By 1986 Nissan had phased out the Datsun name, but re-launched it in June 2013 as the brand for low-cost vehicles manufactured for emerging markets.

paragraph_text: Second generation Acura RDX 2013 Acura RDX Overview Production Mar 2012 -- present Model years 2013 -- present Assembly East Liberty, Ohio, United States East Liberty Auto Plant Powertrain Engine 3.0 L J30Y1 V6 (China Only) 3.5 L J35Y V6 Transmission 6 - speed automatic Dimensions Wheelbase 105.7 inches (9 foot 6 inches Length 183.7 inches (16 ft 7 inches Width 73 inches (6 foot 7 inches) Height 64.2 inches (5 foot 8 inches Curb weight 3,717 lb (1,686 kg) (FWD) 3,838 lb (1,741 kg) (AWD)

paragraph_text: The Acura Legend is a mid-size luxury/executive car manufactured by Honda. It was sold in the U.S., Canada, and parts of China under Honda's luxury brand, Acura, from 1985 to 1995, as both a sedan, which was classified as a full-size car, and a coupe, which was classified as a mid-size car (similar to how the Honda Accord is set up today). It was the first flagship sedan sold under the Acura nameplate, until being renamed in 1996 as the Acura 3.5RL. The 3.5RL was the North American version of the KA9 series Honda Legend.

paragraph_text: Some buyers lamented the small size of the first Japanese compacts, and both Toyota and Nissan (then known as Datsun) introduced larger cars such as the Toyota Corona Mark II, the Toyota Cressida, the Mazda 616 and Datsun 810, which added passenger space and amenities such as air conditioning, power steering, AM-FM radios, and even power windows and central locking without increasing the price of the vehicle. A decade after the 1973 oil crisis, Honda, Toyota and Nissan, affected by the 1981 voluntary export restraints, opened US assembly plants and established their luxury divisions (Acura, Lexus and Infiniti, respectively) to distinguish themselves from their mass-market brands.

paragraph_text: The Nissan Rogue is a compact crossover SUV produced by the Japanese automaker Nissan. It made its debut in October 2007 for the 2008 model year. The current model, the second generation launched in 2013, is the North American version of the Nissan X-Trail. It is currently Nissan's best - selling vehicle in the United States.

paragraph_text: The Mercedes-Benz T2 was a transporter manufactured by Daimler-Benz. The T2 is also known as the "Düsseldorf transporter", since it was built in Düsseldorf from 1967 on. The third series, built from 1996 at Ludwigsfelde, was branded the Mercedes-Benz Vario. Some T2s were assembled by Mercedes-Benz España in their Alcobendas assembly plant.

Question: When did the maker of Acura Legend, the manufacturer of Lexus RX and Nissan open US assembly plants?
Answer: 1981