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A recent plug-in hybrid vehicle fire in Dartmouth, Nova Scotia, has highlighted how quickly a vehicle fire can threaten nearby cars, homes, and other property.
On August 18, 2026, CityNews reported that firefighters responded to a vehicle fire on Hillview Drive in Dartmouth. The plug-in hybrid vehicle was heavily involved in fire when crews arrived, and the flames had already begun spreading toward a nearby home and an adjacent vehicle. Firefighters used hose lines to protect the building and bring the fire under control.
The incident demonstrates an important issue for property owners, parking facility operators, emergency responders, and businesses: a vehicle fire is not only a threat to the vehicle itself. Heat, flames, smoke, and burning materials can quickly expose nearby vehicles and structures.
This is one reason why car fire blankets are receiving increasing attention as part of vehicle fire preparedness and containment strategies.
According to CityNews, firefighters were called to Hillview Drive at approximately 8:41 p.m. after receiving reports of a vehicle on fire in a driveway.
When firefighters arrived, the plug-in hybrid vehicle was heavily involved in flames. The fire had also extended toward another vehicle and the adjacent house, requiring firefighters to protect the structure while suppressing the burning vehicle. No injuries were reported.
The Halifax firefighters cited in the report emphasized that vehicle fires are inherently dangerous because vehicles contain numerous combustible materials and can produce intense heat.
When a lithium-ion battery is involved, the situation can become more complicated. Damaged battery cells may enter thermal runaway, during which heat generation can continue and additional cells can become involved. This can create prolonged fire conditions and the potential for reignition.
For a plug-in hybrid vehicle, responders may also need to consider both conventional vehicle hazards and the presence of a high-voltage battery system.
One of the most significant lessons from the Dartmouth incident is how quickly a vehicle fire can become an exposure problem.
A burning vehicle parked in a driveway, parking garage, dealership, workshop, ferry, warehouse, or charging facility may be located only a short distance from:
Once a vehicle becomes fully involved in fire, radiant heat and direct flame exposure can threaten surrounding property.
In tightly packed parking environments, this is particularly important. A fire that starts in one vehicle can expose neighboring vehicles before emergency crews can fully control the incident.
For this reason, fire safety planning should consider not only how to suppress a vehicle fire, but also how to limit fire, heat, and smoke exposure around the burning vehicle.
A car fire blanket, also known as a vehicle fire blanket or EV fire blanket, is a large, high-temperature-resistant blanket designed to cover an entire vehicle.
When deployed over a burning vehicle, the blanket creates a physical barrier between the vehicle fire and the surrounding environment.
Depending on the fire scenario, blanket construction, and deployment method, its purpose may include helping to:
These characteristics can make a vehicle fire blanket particularly relevant in locations where cars are parked close together or close to buildings.
However, a fire blanket should not automatically be considered a complete replacement for established firefighting tactics.
This is where accurate terminology becomes important.
A car fire blanket may help control visible flames and contain the vehicle fire, but an electric vehicle battery undergoing thermal runaway can continue generating heat and flammable gases even after exterior flames are reduced.
Research published by the Fire Safety Research Institute (FSRI) has investigated the use of EV fire blankets during full-scale electric vehicle fire experiments.
FSRI reported that blankets can eliminate or reduce visible flaming by restricting oxygen around the vehicle. However, when an EV battery is actively involved in thermal runaway, flammable gases can continue to be released underneath the blanket.
This distinction is critical.
Suppressing visible flames does not necessarily mean that thermal runaway inside the battery has stopped.
FSRI and the Fire Protection Research Foundation have also identified a potential deflagration or explosion hazard when flammable battery gases accumulate under a fire blanket during incidents involving active battery thermal runaway.
Therefore, EV fire blankets should be incorporated into professional risk assessments, operating procedures, and firefighter training rather than treated as a universal stand-alone extinguishing solution.
In August 2026, FSRI released new evidence-based recommendations following full-scale electric vehicle fire experiments.
Researchers evaluated different EV fire response tactics, including traditional water application, vehicle repositioning, specialized water delivery methods, and fire blanket deployment.
FSRI’s research found that water from a standard fire hose remains the primary suppression tactic for responding firefighters. The research also emphasized exposure protection, monitoring battery involvement, and assessing the risk of reignition.
Regarding fire blankets, FSRI specifically warns that if a blanket is deployed on an EV with active battery involvement, it should not simply be repositioned during the incident. Indoor and confined-space deployment requires particular caution because accumulated flammable gases may create a significant deflagration hazard.
For fire departments and industrial users, these findings reinforce an important principle:
A car fire blanket is a fire-management tool whose effectiveness and safety depend on the incident, vehicle type, deployment procedure, and overall firefighting strategy.
The Dartmouth fire provides a useful example of why containment matters.
The burning vehicle was located close enough to a house and another vehicle for the flames to threaten both.
In suitable circumstances and when deployed by trained personnel under an appropriate emergency response procedure, a vehicle fire blanket may create a barrier around a burning vehicle and help reduce direct exposure to the surrounding area.
This can be especially valuable where physical separation between vehicles is limited.
Rather than focusing exclusively on “extinguishing” an EV battery, facilities evaluating car fire blankets should also consider their potential role in:
Reducing direct flames around the vehicle may help protect nearby cars, equipment, or structures while firefighters establish suppression operations.
Keeping much of the visible fire within the footprint of the covered vehicle can help prevent the incident from immediately affecting a wider area.
A properly deployed blanket can influence how smoke and combustion products escape from the vehicle, although hazardous gases can still be produced and must never be assumed to be eliminated.
A covered vehicle may be easier for trained responders to isolate as part of an established emergency response plan.
Vehicle fire containment equipment is increasingly considered in environments where large numbers of vehicles are concentrated within relatively small areas.
Potential applications include:
Parking garages: Vehicles may be parked only a short distance apart, while ceilings and structural elements can also be exposed to heat.
EV charging stations: Charging areas can contain multiple electric vehicles and electrical infrastructure in close proximity.
Car dealerships: Large inventories of new vehicles are often stored side by side.
Repair workshops: Vehicles can be located near tools, equipment, oils, tires, and other combustible materials.
Warehouses and logistics facilities: Indoor vehicle fires may create complex smoke, heat, and evacuation challenges.
Ferries and ships: Vehicle decks can contain many vehicles in confined environments, although confined-space conditions require particularly careful planning for any blanket-based tactic.
Residential and commercial parking areas: As the Dartmouth incident illustrates, a vehicle fire near a building can quickly create an exposure hazard.
Each environment requires its own risk assessment. A strategy suitable for an outdoor parking lot may not be appropriate for an enclosed underground garage.
Organizations considering a car fire blanket should evaluate more than simply its dimensions or purchase price.
Important factors include:
The blanket material should be designed for severe vehicle-fire environments and capable of maintaining its integrity under intense thermal exposure.
The blanket should be large enough to fully cover the intended types of vehicles, whether passenger cars, SUVs, vans, or larger vehicles.
Emergency equipment needs to be practical under real conditions. Clearly positioned handles or pulling straps can help trained personnel deploy the blanket from an appropriate position.
A fire blanket provides limited value if personnel cannot locate and deploy it during an emergency. Storage points should therefore form part of the facility’s overall fire response planning.
Personnel should understand when deployment may be appropriate, how it integrates with evacuation and emergency services, and what hazards remain after the blanket has been placed.
For EV incidents in particular, procedures should reflect current fire-service research regarding battery thermal runaway, accumulated gases, reignition, and blanket removal.
No single piece of equipment can address every vehicle fire.
An effective vehicle fire preparedness program may combine:
For electric and plug-in hybrid vehicles, emergency plans should also account for possible battery thermal runaway and reignition.
FSRI’s latest research emphasizes that life safety remains the first priority during EV fire incidents and that firefighters should continue to use evidence-based suppression and exposure-protection strategies.
The Dartmouth incident did not become significant simply because a plug-in hybrid vehicle caught fire.
The more important lesson is where the fire occurred and what was exposed to it.
A burning vehicle in a driveway threatened an adjacent vehicle and a nearby home before firefighters brought the incident under control.
Similar exposure conditions exist every day in parking garages, charging stations, dealerships, residential developments, workshops, warehouses, and transportation facilities.
As vehicle technology changes, fire protection strategies must continue to evolve as well.
A properly selected and professionally deployed car fire blanket can form part of that strategy by helping contain a vehicle fire and reduce exposure to nearby property. For electric and plug-in hybrid vehicle incidents, however, blankets must be used with an understanding that battery thermal runaway can continue underneath the blanket and may create additional hazards.
The goal should therefore not be to view a vehicle fire blanket as a simple cure for every EV fire, but as one component of a comprehensive and evidence-based vehicle fire response plan.
Car fire blankets can help contain visible flames, reduce direct fire exposure, and isolate a burning vehicle. Their effectiveness depends on the vehicle, fire conditions, blanket design, and deployment procedure. They should not automatically be assumed to stop lithium-ion battery thermal runaway.
Not necessarily. An EV battery experiencing thermal runaway may continue producing heat and flammable gases after a blanket reduces exterior flames. Current FSRI research recommends caution when using blankets during confirmed battery involvement.
They may form part of a parking garage’s fire response strategy, particularly for limiting exposure between vehicles. However, enclosed and confined environments introduce additional hazards. Facility operators should develop procedures with qualified fire-safety professionals and local emergency services.
No. FSRI’s 2026 guidance identifies water from a standard handline as the first-choice suppression tactic for responding firefighters. A blanket should be regarded as an additional tactical or containment option rather than a universal replacement for water.
The August 2026 plug-in hybrid vehicle fire in Dartmouth demonstrates how rapidly a vehicle fire can threaten surrounding property.
As electric, hybrid, and conventional vehicles continue to share increasingly dense parking environments, controlling fire spread is becoming an important part of vehicle fire preparedness.
Car fire blankets can provide a practical method of vehicle fire containment in appropriate situations, particularly where neighboring vehicles or structures are at risk. At the same time, the latest EV fire research makes clear that battery thermal runaway requires specialized awareness and that blanket deployment must be supported by proper procedures, training, and professional emergency response.
For parking operators, charging station owners, dealerships, workshops, fleet managers, and industrial facilities, the most effective approach is therefore not to rely on a single product, but to integrate vehicle fire blankets into a comprehensive fire safety and emergency response strategy.
Sources
CityNews Halifax, “Dangerous Hybrid-Electric Vehicle Fire in Dartmouth,” August 18, 2026.
UL Research Institutes Fire Safety Research Institute, “Researchers Release Evidence-Based EV Battery Fire Response Considerations,” August 4, 2026.
UL Research Institutes Fire Safety Research Institute and Fire Protection Research Foundation, notice regarding potential hazards involving EV fire blankets, May 30, 2025.
