Zero-Emission Heavy Machinery Market Size, Share & Industry Analysis, By Machinery Type (Earthmoving & Excavation, Haulage & Dumping, Material Handling, Lifting & Access, and Others), By Powertrain (Battery-Electric (BEV), Hydrogen Fuel Cell Electric (FCEV), and Others), By Application (Construction, Mining, Ports & Logistics Terminals, Industrial & Municipal, and Others), and Regional Forecast, 2026 – 2034