2) "chips" or "wedges" like I could find in Melbourne OZ
3) Effective (real) chipper-shredders for lawn care. The number of times I've tried to rent one and had to hire someone for $200-300 to turn trees on my property into mulch is beyond frustrating. Heck, even if I needed to get training and take a test for a license I would do it. I think the US took a bit of a harsh stance on these devices for common consumers after it was widely publicized that Saddam Hussein used these devices to turn his political dissidents into "fodder".