After cleaning, apply a protectant to plastic and vinyl surfaces to help prevent fading and cracking. For leather seats, apply a leather conditioner to keep them soft and supple.
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The idea of running a car engine on water is not about directly using water as a fuel source in the same way gasoline is used. Instead, the concept relies on breaking down water into its constituent elements: hydrogen and oxygen. Hydrogen, a highly combustible gas, can then be used as fuel to power an internal combustion engine or a fuel cell.
If you prefer to use homemade cleaning solutions, here are a few options: