That shift is reshaping ACT Research’s zero-emission vehicle forecast.
The research firm says its projections now rely on financial viability and technology improvements — factors that influence fleet purchasing decisions regardless of emissions mandates.
ACT’s September 2026 Outlook Plus report points to continued, but gradual, adoption of zero-emission commercial vehicles.
ACT’s earlier forecasts were heavily influenced by emissions regulations, particularly California’s Advanced Clean Trucks rule, which required manufacturers to sell increasing percentages of zero-emission trucks.
A Modest Increase for Class 8 Electric Trucks ACT’s overall outlook for cumulative zero-emission vehicle adoption changed little from its June 2026 forecast.