President Donald Trump on Wednesday once again raised the specter of auto tariffs.
Trump said the US could use a measure similar to the US's 25% tariff on light trucks, known as the "chicken tax," to prevent factory closures similar to General Motors' recent announcement.
Economists estimate that auto tariffs would result in a net loss of US jobs and be harmful to the US economy.
President Donald Trump on Wednesday provided a big hint that the US could soon impose tariffs on cars, trucks, and auto parts coming into the US, a move that experts say would cause significant economic damage.
"The reason that the small truck business in the US is such a go-to favorite is that, for many years, Tariffs of 25% have been put on small trucks coming into our country," Trump tweeted Wednesday. "It is called the 'chicken tax.' If we did that with cars coming in, many more cars would be built here and GM would not be closing their plants in Ohio, Michigan & Maryland."
Trump was referring President Lyndon B. Johnson's decision in 1964 to impose a 25% tariff on light trucks coming into the US. That came in response to a 50% German tariff on some chicken coming from the US. The tariff became known as the "chicken tax" on trucks.
RELATED: Products directly hit by Trump's tariffs on Chinese goods
Products directly hit by Trump's tariffs on Chinese goods
Products directly hit by Trump's tariffs on Chinese goods
Meat: pork; beef intestine; rabbit meat; venison; frog legs
Fish and seafood:live fish including ornamental fish, trout, eels, tuna, and carp; chilled or frozen meat of various types of trout, salmon, halibut, plaice, sole, albacore, tuna, herring, mackerel, cobia, swordfish, pollack, whiting, catfish, rays, and more; various types of salted or smoked fish; other seafood including various types of lobsters, crabs, shrimps, prawns, oysters, scallops, mussels, clams, squid, octopus, conchs, abalone, sea cucumbers, and sea urchins.
Non-meat animal products such as eggs and dairy:Whey products; butter; various types of eggs including chicken; honey; hair of animals including human, hog, horse and badger; animal intestines, bladders; feathers; bones including shells, beaks, corals, hooves, antlers, and more.
Vegetables:onions; garlic; cauliflower and broccoli; cabbage; carrots; turnips; radishes; beats; cucumbers; peas of various types; beans; lentils; celery; mushrooms; peppers of various types; squash; okra; sweet corn; potatoes; sweet potatoes and yams; some types of tomatoes; spinach; Brussels sprouts.
Fruit and Nuts: Coconuts; cashews; almonds; hazelnuts; walnuts; chestnuts; pistachios; macadamia nuts; pecans; dates; figs; pineapples; guavas; oranges; mandarins; clementines; raisins; grapes; apples; pears; quinces; peaches; berries including strawberries, raspberries, cranberries, blueberries and others; bananas; a variety of dried fruits; peels of various fruits.
Cereals: wheat, including durum wheat; barley; oats; corn; various types of rice; grain sorghum; buckwheat; quinoa; and more.
Mill products: flours including those form wheat, corn, buckwheat, rice, rye, other cereals, potatoes, and bananas; groats and meal of various types including wheat, corn, oats, and rice; malt; starches of wheat, corn, potato, and more
Oil seeds: soybeans; seeds of sunflower, flax seed, sesame, mustard, poppy and more; planting seeds for certain crops; cocoas and mint leaves; and seaweeds.
Sugars and candies: cane sugar; candies with no cocoa
Breads and Pasta: uncooked pasta; various breads, pastries, cakes, and biscuits.
Prepared vegetables and fruits: various vegetables and fruits previously listen in their prepared or preserved forms; various fruit jams including strawberry, pineapple, apricot, and more; peanut butter; various fruit juices including orange, pineapple, lime, grape, apple, and more.
Other food items: soy sauce; condiments and seasonings; protein concentrates.
Beverages and vinegars: water, including mineral water; fruit or vegetable juices and juice mixes; beer from malt; wine, including rice wine; ethyl alcohol; vinegars
Food processing waste and animal feed: brans from processing; oil cakes; dog or cat food; animal feed
Tobacco products: various types and preparations of tobacco; tobacco refuse; cigars; cigarettes; smoking tobacco
Salts and minerals: salt/sodium chloride; sulfur; graphite; quartz; types of clays; chalk; slate; marble; granite; sandstone; dolomite; gypsum; some plasters; some types of cement; mica; Epsom salts
Ores, slag, and ash: ores of iron, copper, nickel, cobalt, aluminum, lead, zinc, tin, chromium, tungsten, uranium, titanium, silver, other precious metals, and others; slag, various types of ash.
Mineral fuels and oils: coal; lignite; peat; coke; tars; various types of light oil; various types of kerosene; petroleum oils; liquefied fuels including natural gas, propane, butane, ethylene, and petroleum; oil shale and tar sands
Inorganic Chemicals: chemicals such as chlorine, sulfur; carbon, nitrogen, oxygen, and silicon; acids including sulfuric, nitric, and more; various types of fluorides, chlorides, sulfates, nitrates, carbonates, and more.
Fertilizers: animal or vegetable fertilizers; urea; ammonium sulfate; sodium nitrate; and more.
Tanning and drying extracts, dyes, and paints
Essential oils, perfumes: perfume; lip or eye make up preparations; manicure or pedicure products; shampoo; hairspray; bath salts.
Soaps and cleaning products: various types of soap; leather and textile treatments; polishes for shoes and furniture.
Glues, adhesives, and enzymes
Cigarette lighter fluid
Photographic goods: various types of photo plates; instant film; various types of film in rolls; various types of motion picture film.
Various chemical products: pesticides; herbicides; fungicides
Plastics: vinyl flooring and other plastic floor and wall coverings; sausage casings; bags; gloves including baseball gloves; rain jackets; machinery belts.
Rubber: latex; rods, tubes, and other products; conveyor belts; various types of transmission belts; various types of pneumatic tires; gloves; gaskets; dock fenders.
Raw hides and leather: animal skins including cow, buffalo, sheep, goats, reptile; various types of leather made from cow, buffalo, sheep, goats, reptile; leather trunks and suitcases; leather handbags; CD cases; gloves including ski, ice hockey, and typical use; belts; fur clothing, incluidng artificial fur.
Wood: fuel wood; charcoal; various types of wood including oak, beech, maple, ash and cherry; moldings; rods; particleboard; various types of plywood; doors; corks and stoppers; wicker and bamboo baskets.
Other textile products, rope, twine: hammocks; fish nets; carpets;
Fabrics: corduroy; gauze; terry towel; lace; badges; embroidery
Headgear: caps; hairnets; wool hats; head bands
Stone, plaster, cement, asbestos: stone for art; marble slabs; roofing slate; millstones; sandpaper; floor or wall tiles; cement bricks.
Ceramics: fire bricks; pipes; tiles; porcelain and china.
Glass and glassware: balls; rods; drawn or blown glass; float glass; tempered safety glass; mirrors; carboys, bottles, jars, pots, flasks, and other containers; microscope slides; woven fiberglass
Precious stones and pearls: industrial diamonds; silver and products made of silver; gold and products made of gold; platinum; palladium.
Iron and steel and products derived from the metals:drums; tubes; pipes; doors; windows; screws; horseshoes;
Copper: plates; cables; tubes; pipes; springs
Nickel: bars; rods; wires
Aluminum:powder; cable; wire; screws.
Various metal products, tools, cutlery: industrial items made from lead, zinc, tin, and more; saw blades; bolt cutters; hammers; wrenches; crow bars.
Machinery, both industrial and retail: steam turbines; engines; fuel-injection pumps; air compressors; air conditioning machines; refrigerators; cream separators; hydraulic jacks; escalators; manure spreaders; copiers; automatic beverage-vending machines
Electronics: vacuum cleaners; hair clippers; spark plugs; generators; bicycle lights; electric amps; television cameras; various types of TVs; video projectors.
Vehicles and parts: axles; driving shafts; gear boxes; radiators.
Ships and boats: sailboats; motorboats; canoes; yachts.
Instruments for scientific or medical purposes: microscopes; cameras for non-art purposes; gauges for pressure, electrical currents, and more.
Clocks and watches
Furniture, bedding, mattresses: car seats; wood chairs; furniture designed for offices, kitchens, and more; mattresses; chandeliers; lamps.
Assorted items: buttons; stamps; paintings; collections of zoological, botanical, mineralogical, anatomical, historical, archaeological interest; antiques of an age exceeding one hundred years
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While the other goods subject to Johnson's tariff (potato starch, brandy, and dextrin) were dropped, the restriction on trucks has persisted over the past half-century and helped US automakers hold a dominant market share on truck sales.
While GM's move has more to do with long-term consumer preferences, industry trends, and technological advances, analysts told Business Insider that Trump could use the move as an excuse to move forward with the auto tariffs.
Chris Krueger, a strategist at Cowen Washington Research Group, said that GM's move makes it more likely Trump "doubles down with auto and auto parts tariffs."
Preliminary trade deals with the Canada and Mexico, as well as the European Union, seemed to cool Trump's desire for auto tariffs. But in recent weeks, the president has reportedly been zeroing in on the measures as talks stumble.
If Trump does go through such a move, it would likely cause a huge amount of damage to the US economy.
Similarly, a study by the Center for Automotive Research found an auto tariff would boost the average cost of a car by $4,400 for American consumers. The study found that auto sales would fall by 2 million a year and shave nearly $60 billion off GDP.