Any light beam strong enough to propel a spacecraft to orbit is also strong enough to plasmify and tear away the entire atmosphere, so I doubt this type of propulsion will be used on launch vehicles anytime soon. However, there has been some talk about the so-called EmDrive created by Roger Shawyer several years ago. It seems to violate conservation of momentum by bouncing microwaves in a resonant cavity and producing thrust without any exhaust, and there is a lot of skepticism on whether or not it actually works. If it is proven to work (IMO this will only happen when someone puts one in space) it would be exactly the thing you are looking for, especially if we create one with a superconducting cavity, which supposedly would create enough thrust to lift a small car with just one engine powered by a typical microwave oven magnetron.