Abstract: A conventional combustion engine, either gasoline or diesel model, with its corresponding engine block and cylinders is provided with complementary injectors for carbon dioxide (CO2) coming from a liquefied gas supply deposit, such that said injectors supply the duly metered carbon dioxide (CO2) to each cylinder after the piston has passed the top dead center, immediately after the ignition of the fuel has occurred, whereby part of the heat generated by this ignition is absorbed by the carbon dioxide (CO2), which experiences a heavy expansion, with the resulting and parallel increase of the power of the engine. A thermal exchanger is arranged in the conduit supplying the carbon dioxide from the deposit to the cylinders, which exchanger is in turn arranged in the exhaust pipe of the engine so that the carbon dioxide (CO2), at room temperature in the deposit, is pre-heated when it reaches the engine.

Abstract: Starting from the basic structure of a conventional combustion engine, indistinctly in the gasoline or diesel model, with its corresponding engine block (6) and cylinders (7), the invention consists of providing said engine with complementary injectors (8) for carbon dioxide (CO2) (2) coming from a liquefied gas supply deposit (1), such that said injectors (8) supply the duly metered carbon dioxide (CO2) to each cylinder (7) after the piston has passed the top dead center (15), immediately after the ignition of the fuel has occurred, whereby part of the heat generated by this ignition is absorbed by the carbon dioxide (CO2), which experiences a heavy expansion, with the resulting and parallel increase of the power of the engine.

Abstract: An antiblinding headlamp for vehicles comprises two reflecting surfaces joined to each other, a straight filament arranged transversally in a horizontal position and a converging lens output glass. The upper reflecting surface is a semi-parabola formed by displacing a parabola along a straight line perpendicular to the plane of the parabola and whose surface is cut by three planes which produce, as a projection on the focal plane, an isosceles trapeze. A similar construction is used for the lower reflecting surface, from a semi-parabola having parabolic values differing from the former, with its corresponding focal axis in an advanced position with respect to the focal axis of the upper reflecting surface, while the side portions of the headlamp are flat reflecting surfaces.