A bus running on compressed natural gas was involved in a fatal crash in Calgary, killing three people. The vehicle was part of a fleet of about 1,000 CNG buses operating in Canada. An expert in low-carbon transportation confirmed the model remains “extremely safe” despite the incident. The crash occurred on a local road, with emergency services responding quickly. Authorities are investigating the cause of the accident. No official details have been released about the driver or the conditions at the time. The incident has raised questions about the safety of CNG vehicles in urban settings. The bus was in regular service and had no prior safety issues reported. The expert emphasized that the crash does not reflect the overall safety record of the fleet. The government is reviewing the incident as part of ongoing safety assessments. This is the first known fatal crash involving a CNG bus in Canada. The event has sparked discussions about the balance between environmental benefits and safety in public transport.