They sit side by side on the shelf: the bag of hard coal and the pack of wood briquettes. Both promise long-lasting embers, both are heavy, both cost roughly the same. Which is the better choice? The ...

Anyone who heats with a stove has a choice – and that is exactly what makes it complicated. Pellets or briquettes? Beech or spruce? And what about the lignite and hard coal still on sale at the DIY st...