In The United States

• Passenger-car output dips to 3,185,881 units; trucks rise slightly to 416,659
• For the first time, all cars at the National Automobile show have gasoline engines
• Balloon tires and four-wheel brakes are standard on several makes
• Twin-filament headlight bulbs appear
• Baked-enamel paint is used on various low-priced automobiles
• William S. Knudsen is named Chevrolet's president
• The General Motor Proving Ground is completed at Milford, Michigan
• Ford Motor Co. stock now valued at nearly $1 billion
• New York City taxi rates cut to 10 cents per half-mile
• Reports show California has highest auto fatality rate in US
• Chicago court orders auto speeders to visit home for destitute and crippled children
• Collier's Magazine' reports that Secretary of the Treasury Andrew Mellon wants to move the Washington Monument to create more parking spaces in downtown Washington
• Secretary of Commerce Hoover chairs the first National Conference on Street and Highway Safety, which calls for uniform traffic laws
• Average speed of Washington downtown commuters; pedestrians -5.9 kph; drivers-5.7 kph; trolleys riders -6.5 kph. Only 20% commute by car
• In November, 16,833 cars cross the St. John's River into Florida; the beginning of winter motor pilgrimages to Florida
• Los Angeles claims to have the worst traffic jams in the world
• 'Vogue Magazine' cover shows a car customized as a fashion accessory
• Walter P Chrysler produces the first car bearing his name
• Most American cars have four-wheel hydraulic brakes. Double filament headlights and Duco paints (controlled by GM) also appear on production cars
• New GM president Alfred Sloan's reorganization creates divisional autonomy at GM. He also expands overseas, buying Vauxhall, in Great Britain.
• Ford, the largest corporate employer of blacks in US, with 5,000 black employees, hires its first black salaried employee, engineer James C. Price.
• Five workers die in October and 30 are hospitalized after breathing fumes in a plant making lead gas. 'The Nation' notes: 'They died in straight-jackets. They died stark mad, grinning and gritting their teeth
• Teapot Dome scandal breaks. Oil industrialists had bribed the Harding administration to lease oil reserves set aside for military emergencies
• Novelties. White Tower, the first hamburger chain opens. A&W root beer chain also constructs drive-ins, the first to hire 'tray girls' to deliver food to cars.
• Cleveland introduces synchronized traffic signals
• Pittsburgh hires the first traffic engineer, Burton Marsh

US Auto Manufacturers

• Model-T production slips to 1.75 million, yet Ford hangs on to half the market
• Ford builds its 10-millionth automobile, begins production of factory accessories
• Ford prices drop to $265 for the Runabout; $295 for the Touring. The average employed American earns $1293 annually
• Dodge ousts Buick from third place in output; Chevrolet volume drops sharply, but still retains second spot
• Dodge produces the first all-steel closed car
• Maxwell-Chalmers Corp. introduces the Chrysler, with four-wheel hydraulic brakes and a high-compression (4.7:1) engine
• The initial six-cylinder Chrysler 70 draws admiration at the 1924 show; features include a replaceable-cartridge oil filter and air cleaner, plus instruments grouped behind an oval glass panel
• Oakland cars are now sprayed with quick-drying Duco lacquer
• Packard introduces a 357.8 cid, L-head straight-eight, the first one to be truly mass-produced, and adopts four-wheel mechanical brakes
• A straight-eight engine is introduced by Hupmobile, and also Auburn, Duesenberg, Jordan, Rickenbacker, and others
• The last four-cylinder Buick are produced; only sixes will be offered until 1934. Four-wheel mechanical brakes are introduced
• Chandler adopts a 'traffic transmission' with constant-mesh gearing, a forerunner of the forthcoming synchromesh
• The Winton Company drops out of auto production, concentrates on diesel engines
• Ethyl Corporation is formed by GM and Standard Oil of New Jersey. Ethyl (leaded) anti-knock' gasoline goes on sale

And From Around the World

• Alexander Winton is the first American to participate in foreign auto competition; The Gordon Bennett Race, in France
• Renault vehicles open Sahara to automobile traffic
• Car-customizing is the rage among affluent Parisians
• Morris Minor (England) introduces a transfer machine to speed up  assembly
• Henry Ford fires the manager of British Ford for allowing their non-unionized workers tea breaks and smoking rights
• E A Aldridge sets a land speed record of 232 kph on a French 'Route Nationale', the last time this record is set on a road
• Berlin adopts American-style traffic lights
• Soviet motor production begins with ten trucks
• Italy builds the first high speed toll road, the Piero Puricelli-de-signed Autostrada, from Milan to Como Italy. The toll roads have limited access, very few crossroads, and no median divider