<Tr> <Td> Composites: GFRP </Td> <Td> 100 - 400 </Td> <Td> Almost as good as CFRP and cheaper </Td> </Tr> <Tr> <Td> Beryllium </Td> <Td> 300 </Td> <Td> The best metal, but expensive, difficult to work with, and toxic to machine </Td> </Tr> <Tr> <Td> High strength steel </Td> <Td> 100 - 200 </Td> <Td> Cheaper than Mg and Ti alloys </Td> </Tr> <Tr> <Td> High strength Al alloys </Td> <Td> 100 - 200 </Td> <Td> Cheaper than Mg and Ti alloys </Td> </Tr>

Where is the flywheel located on a car