If the ACA is repealed, with it will go the protection it offers individuals with preexisting health problems. They would again be denied health insurance or subjected to unaffordable insurance premiums.
The rapid transition from a non-conducting to a conductive state produces a brief emission of light and a sharp crack or snapping sound. A spark is created when the applied electric field exceeds the dielectric breakdown strength of the intervening medium.
The spark comes from the spark plugs and etc.... Sparks from your engine could trigger a fire if they happen to connect with any fuel or strong gas fumes... Source(s): I asked the same question at a gas station about 45 years ago.... if you don't shut off the engine while you're pumping gasoline, the car will explode.