On 4 December 2019 Bulgaria’s Gabrovo Municipality signed a leva 2.7 million/euro 1.4 million contract with Chariot Motors for three Chariot ultracapacitor e-buses. The e-buses are equipped with 40kWh ultracapacitors. The routes have termini with three AC/DC charging stations and e-buses’ charging time of seven minutes.
The project gets EU Regions in Growth Operational Programme funding. The tender attracted two offers.
Chariot Motors showed the e-bus to the Municipality in 2016, launching a pilot project to prove it.