MUMBAI, India, April 20 -- Intellectual Property India has published a patent application (202617008960 A) filed by Horse Powertrain Solutions, S. L. U., Madrid, on Jan. 29, for 'method for estimating the amount of polluting species in the exhaust gas of an internal combustion engine, provided with at least one three-way catalyst.'

Inventor(s) include Arranz-Velasco, Adolfo; and Villain, Nathalie.

The application for the patent was published on April 17, under issue no. 16/2026.

According to the abstract released by the Intellectual Property India: "A method for estimating the amount of polluting species in the exhaust gases of a motor vehicle equipped with an internal combustion engine and at least one three-way catalyst, the estimation...