Food Trucks Market Size, Share & Industry Analysis, By Truck Type (Box-Type Food Trucks, Buses & Vans, Expandable Food Trucks, and Others), By Size (Small, Medium, and Large), and By Food Type (Fast Food, Barbeque & Snacks, Desserts & Confectionary, Bakery, and Others), By Powertrain (ICE and Electric & Others), and Regional Forecast, 2026-2034