quote: For instance, if you wanted to build your own cell phone you wouldn't have to reinvent the transceiver, the GPS chip, the processor, the memory, the compass, etc. These things have already been invented by third party companies and you'd incorporate them into your design.
quote: the main cost savings is in the parts becoming more popular and as a result cheaper.
quote: They use off-the-shelf cells made by LG Chem in Korea. LG Chem (and other companies) had already developed these kinds of batteries before the Volt was thought of.