By Marine Strauss BRUSSELS (Reuters) – Belgium will impose new taxes on older, noisier planes as well as private jets and short-haul flights in a bid to reduce noise and air pollution, according to a government statement. Currently, aircraft using Brussels Airport have to pay a tax determined by the noise level generated at take-off and landing. Until now, small planes such as private jets have been exempt. The new system of duties, to take effect from April 1, 2023, makes taxes dependent not just on noise, but also on levels of air polluting and greenhouse gas emissions, as well as the destin…