Solar Transportation

Collector: Ann V.

Pupils start a Solar Transportation unit by considering why it is difficult to phase out fossil fuels. Using provided data on the energy densities and efficiencies of different fuels, they calculate the number of miles a vehicle will travel per kilogram and per liter of each fuel, determine the cost per mile, and then compare the fuels on a Fuel Viability Matrix. Scholars then research different types of alternative vehicles and conduct an experiment to connect PV modules in series and in parallel to determine the maximum voltage and amperage. They design a charger that uses solar modules to charge a 12-volt lead-acid battery. Finally, working in groups of three, teams apply their knowledge of photovoltaic systems to design a battery-powered electric vehicle capable of replacing gas-powered cars.

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