Thailand’s Green Revolution: EV Ambition Meets Diesel Control
Thailand has long been the automotive manufacturing hub of Southeast Asia. Now, it is rapidly steering its economy toward a green future. This shift combines immediate air-quality measures with long-term investments in electric vehicle (EV) production. It also introduces pioneering national climate legislation that supports cleaner growth.
Cracking Down on Pollution
Bangkok authorities have taken decisive steps to fight growing smog. They have tightened exhaust-smoke limits for diesel vehicles, lowering the allowed opacity from 30% to a strict 20% starting November 1. This rule mainly targets older pre-Euro 5 diesel engines, which pollute heavily. Offenders face fines of up to THB 4,000. In addition, vehicles that fail re-inspection receive a harsh 30-day ban. These restrictions are essential for improving air quality and creating pressure for cleaner mobility.
Fueling the EV Manufacturing Hub
Thailand is already the largest EV market in the region. It recorded 66,000 EV registrations in the first seven months of 2025. Moreover, the government’s “30@30” policy is the main force behind this growth. It aims for 30% of all vehicles produced by 2030—over 700,000 units—to be zero-emission.
To strengthen this push, the government provides wide support through the EV3.5 scheme. The program includes tax cuts, duty exemptions, and direct subsidies through 2027. In return, automakers that import battery-electric vehicles must commit to local assembly by 2024 or 2025.
Furthermore, Thailand now offers an innovative export incentive. Each exported EV counts as 1.5 units toward local production quotas. This policy is expected to raise exports from around 12,500 units in 2025 to roughly 52,000 in 2026.
The Rise of the Thai EV Brand
A major milestone is approaching. Thailand will launch its first national EV brand in late 2025. This project is a partnership between the Thai government and Chinese automaker Chery Automobile. Chery brings strong technology and manufacturing experience to the table.
Additionally, Chery is building a factory in Rayong Province with an initial capacity of 50,000 EVs a year. Plans for expansion are already in motion. The collaboration aims to produce three key EVs: a commercial MPV, an electric pickup, and a family SUV. These models show Thailand’s commitment to developing EV technology for different market segments.
The Climate Change Framework
Supporting all these initiatives is Thailand’s first Climate Change Act, now in its final drafting stage. This law will create a legal structure for greenhouse-gas reduction. It will also introduce market tools such as carbon trading and possibly a carbon tax.
With these measures, Thailand reinforces its long-term climate goals. The nation aims for carbon neutrality by 2050 and net-zero emissions by 2065. These commitments position Thailand as a regional leader in sustainable development.