Agree, cost is probably the biggest factor. If there is an urban/suburban tree service any where near you, you can get a lot more wood for a lot less.
tribalwind wrote:
not sustainable(or maybe theres pellet machines that dont use electric/gas?)
I toured the largest wood pellet factory in the US last year - they burn the bark from pine trees to heat the kilns that dry the wood to be chipped. I believe (but am not 100% sure) that most of the other energy used to manufacture comes from the bark. Petroleum is needed for transport, which is a concern. That pellet plant is audited by several independent groups for being carbon neutral, and most of what they produce goes to European power plants to reduce coal consumption (existing coal burning plants don't need retrofitting to burn a coal/sawdust mix).
tribalwind wrote:
pellets are just compressed sawdust, once it gets wet and spreads open into sawdust again, it'd kinda form a semi impervious mat...
We use wood pellets for cat litter, and that goes onto the land when it gets rank. The sawdust actually makes a mulch that is very spongy and well drained.