Transport updates

[vahid-aryanpur]

• [x] In display change DMD_TRA-P-CAR-FCV to FCV
• [x] Limit total new car/HGV/MGV/LGV sales to 50% higher than any previous year. Check there's no unmet demand as a result.
• [ ] Display vehicle activity by technology, or remove early retired vehicles
• [x] Freight - deactivate new LNG trucks. Look at new freight sales and check what share is bio-CNG (in ICE and hybrid). May need to add growth constraints to factor in fuelling potential.
• [x] Look into why FCVs are being added
• [x] Check why transport demand jumps in 2024 - potential to reduce this
• [x] What constraint is limiting EV sales from reaching 100%? I suggest allowing by 2025.

[vahid-aryanpur]

@daly-h @BakytzhanSuleimenov FCVs are only being added in 250 and 300 Mt scenarios post-2030. But in a higher carbon budget, the model does not offer them.