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Originally Posted by JSH
RAM and GMC have added 48V mild-hybrid systems to their trucks recently. The GMC version improves combined fuel economy by 10%. From what I've read a 48V system costs $350 for the automaker.
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In short-to-mid term, 48V systems seem to be somewhat of a low-hanging fruit that will eventually make its way even in entry-level cars.
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Having 48V on board also opens up a host of electric possibilities not possible with 12V power.
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Well, even if some accessory such as an EPAS or an A/C compressor can be driven with 12V, a 48V system provides the same power with fewer weight. Another advantage, even though some small places to take a handful of ounces out of a landyacht may look negligible at first...