

Read DC safety bulletin on mobile hydrogen generators
Read bulletin from the Woodlands, Texas incident
Take a look at the picture below. Imagine someone in your community has found this vehicle in the parking lot of a major hotel near the town’s convention center, with an event in progress.
Washington, DC officials didn’t have to imagine it. This is what they saw after a citizen called 911 on September 8 to report this pick-up truck was parked at a Marriott Hotel across the street from the DC Convention Center.

Just as the caller described, the first responders found five bottles secured to the grill with wires, along with a sign reading, “Explosive, do not touch!”. EOD crews began their work.
First they found the owner of the vehicle in the hotel, an elderly male traveling with his wife. Then came the explanation. The contraption was used to produce hydrogen to increase the fuel efficiency of the vehicle.
Electric current was sent through the coil inside the fluid. The fluid was one teaspoon of bicarb, mixed with a quart of water.
The vehicle owner says he put the “explosive” sign up to prevent theft.
All of this information comes from an informational bulletin distributed by the DC Fire & EMS Department. The bulletin discusses a similar incident with another vehicle’s hydrogen generator after a crash in Woodlands, Texas.
Here are some of the warnings in the bulletin:
Concerns about system being powered up for an extended period, could the generator could have permeated the air in the engine’s intake with hydrogen sufficiently to burn in an explosive nature upon startup. At the Woodlands, Texas accident occurred in a parking lot and witnesses stated the vehicle was “revved up” near full throttle before, during, and after the crash
Keep in mind that hydrogen is a flammable gas, so prevent sources of ignition in the area of these generators just as if dealing with gasoline or other flammable hazards.
Secure / remove power to the vehicle as early as possible to power down any active chemical process.
Maybe with the cost of fuel down dramatically, you won’t see many more of these vehicles.
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