Karma Revero in fact is rebooted Fisker Karma, which the later bankrupted maker produced in 2012.
A while ago Chinese auto-parts maker Wanxiang bought its remains and started new bussienes under new name Karma Automotive in Southern California. The important fact is that it also bought the ruins of lithium-cell maker A123 Systems, which produced energy packs for Karma.
More detailed technical specifications will be known in the beginning of September, but for now we can only say that it will feature some photovoltaic cells o the roof, which will be used to charge batteries, and that much of technology will be changed. Let's wait to see what it means.