"In an EREV, the car works as an EV, powered by a high-voltage battery and one or more electric motors. However, unlike a traditional EV, there's also a small combustion engine that only acts as a generator for the battery, burning fuel to extend the driving range when there are no chargers nearby or the driver doesn't feel like stopping for a top-up."
"BMW is reportedly weighing adding gas engines to some of its high-end electric models, which would transform them into extended-range electric vehicles or EREVs. The German automaker might go down the range extender route for cars like the i7 large electric sedan and the upcoming iX5 electric SUV, according to a report from Bloomberg quoting people familiar with the company's strategy."
"BMW is on a roll with its Neue Klasse platform for electric vehicles. The first model underpinned by the new architecture, the iX3 crossover, looks like it's a really well-rounded EV, with plenty of range, a cosy interior and very fast charging speeds. But it might not be enough for people who have more money to spend and can't be bothered to mess around with charging apps on their phones, especially on long trips."
BMW is considering adding small gasoline range-extender engines to some large electric models, potentially the i7 sedan and iX5 SUV. The range extender would act solely as a generator to recharge the high-voltage battery, allowing extended driving when chargers are unavailable. Large vehicle packaging can accommodate a small combustion engine without major structural changes. BMW produces small engines in-house, which could reduce development cost and time. BMW is testing solid-state batteries on the current-generation i7. Other companies, including Scout Motors, are pursuing similar extended-range electric vehicle designs with small onboard combustion generators.
Read at insideevs.com
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