India’s 12 million diesel trucks consume 55% of national diesel demand and cost approximately $50 billion per year in fuel — a macroeconomic vulnerability that has been brought into sharp relief by the West Asia energy disruption of 2026. Over the past decade, the energy cost trajectories of diesel and electricity have fundamentally diverged: diesel has risen 69% from Rs 53/L to Rs 90/L, while solar tariffs have fallen 47% and Li-ion battery costs have dropped 70%. India’s heavy-duty electric truck market is now entering a breakout phase — registrations grew 290% year-on-year from 201 units in FY2024-25 to 784 units in FY2025-26, concentrated in closed-loop industrial applications including cement, mining, ports, and bulk freight. On high-utilisation routes above 10,000 km per month, electric trucks already achieve approximately 24% lower total cost of ownership than diesel alternatives. For India’s industrial sector — steel, aluminium, fertiliser, and cement plants operating large captive truck fleets for raw material and finished goods logistics — the EV freight transition is now both commercially viable for specific routes and strategically important for CBAM embedded emission calculations, where verified transport emissions affect the carbon cost on EU exports. This article maps the full EV freight economics for industrial captive fleets: TCO by segment, the energy cost divergence, which use cases work today versus 2028-2030, the CBAM and CCTS Scope 3 interaction, and the transition strategy that delivers the fastest return on fleet electrification investment.