Yes it can. Here is a statement from one of our leading manufactures of Wood Stoves HETA of Denmark.

We care about the environment. We feel strongly about the environment and our common future. For many years, HETA has been working intensely on environmentally friendly manufacturing of clean burning stoves for the benefit of the environment.

All HETA Stoves have impressively high burning value over 80 percent, so you get more out of your firewood, and polluting gases are burned off before leaving the chimney.

HETA'S stoves are some of the most clean-burning stoves in Europe. they are tested in accordance with applicable regulations in Norway, Denmark, Germany as well as the new European Standard.

HETA'S completely unique fire chamber and air channels mean that CO2 and harmful particles are reduced to an absolute minimum.

https://www.countryheatdirect.co.uk/product-category/all-products/woodburning-multi-fuel-stoves/heta/