Almost 40 years ago when my company Stadler Corporation introduced one of the first residential European wood boilers to New England, they were elementary in design and in their infancy of wood ...

For those who want to burn cordwood, modern wood-gasification boilers offer mid-80 percent steady-state combustion efficiencies and full-cycle efficiencies in the 70-75 percent range. This is much ...

There are a number of advantages to outdoor wood boilers. One is that they can accept far more cordwood than even the largest wood stove, offering longer burn times. Though manual stoking is required, ...

Coal remains the most stable low-cost source of energy, but its lower qualities challenge users to meet stringent environmental regulations. The first step in any modification or fuel switching of a ...

DENVER — At the new Denver Zoo Asian Tropics exhibit, which will include the largest elephant habitat in the country, a biomass gasification system is expected to save $150,000 a year in energy and ...