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A closer inspection reveals that the market’s gears are in motion, pushed by a surge in automobile manufacturing and global sales. Commercial automobiles, including vans, tractors, and trailers, are contributing significantly to this progress. The market can be witnessing a shift in course of lightweight yet robust aluminum and composite gears, gaining floor and popularity. Laser floor hardening is used to reinforce the mechanical properties and surface hardness of extremely careworn machine elements and as such is of curiosity to gear manufacturing. Most currently-produced passenger cars with gasoline or diesel engines use transmissions with 4–10 ahead gear ratios and one…