In 2020, the government spent $4.2 billion on vehicle costs.
Nissan said construction will begin immediately.
The allocation of funds is envisaged under the financial agreement "Urban Public Transport of Ukraine II".
The country’s Oil and Gas Regulatory Authority (OGRA) has said it would try to curb the impact of the strike, adding that and any disruptions would be met with legal action.
Benchmark oil prices increased over the last week.
The Brazilian government owns a controlling stake in the company (50.26%).