A high-stakes and deeply divided debate has erupted at the highest levels of the auto industry, as two of its most influential figures offer starkly opposing visions for the future of the electric vehicle market in a world without subsidies.

The fierce war of words, sparked by the recent death of the $7,500 federal tax credit, pits the bullish optimism of a former Tesla executive against the dire warnings of Ford’s CEO, a clash of perspectives that will have profound implications for the future of American transportation.

The bull case: ‘the market’s established’

On one side of the divide is Jon McNeill, a former Tesla president of global sales and a current GM board member.

In an interview with CNBC on Thursday, he projected a calm confidence, arguing that the US electric vehicle market is now mature enough to stand on its own two feet.

He pointed to Europe as a powerful case study, noting that when countries like Germany rolled back their own subsidies a few years ago, the EV market “surprisingly … continued to grow.”

McNeill believes the US is poised for a similar outcome. “The market’s established, and we’re probably ready to have a market that can … grow without subsidies,” he said.

He bolstered his case by highlighting the explosion of consumer choice, with 65 different EV models now available in the American market. When combined with hybrids, he noted, one out of every four cars sold in the US is now electrified.

The bear case: an industry ‘cut in half’

On the other side of the argument is the powerful and influential CEO of Ford, Jim Farley.

Speaking at a summit in Detroit, he took a virtually opposite and far more pessimistic tack, predicting that the death of the $7,500 consumer incentive is a “game-changer” that will cut the EV industry in half.

While he believes EVs will remain a “vibrant industry,” he also stated it’s “going to be smaller, way smaller than we thought,” projecting a steep drop in EV market share from its current 10 to 12 percent down to just 5 percent.

“The customers are pesky,” Farley said, delivering a blunt and sobering dose of reality.

“Customers are not interested in a $75,000 electric vehicle. They find them interesting. They’re fast. They’re efficient. You don’t go to the gas station. But they’re expensive.”

The X-Factor: a car that powers your house

But there is another, powerful X-factor in this debate, a technological evolution that could fundamentally reshape the value proposition of owning an EV: the car that can power your house.

McNeill argued that the emerging trend of “bidirectional” charging, which allows an EV to push energy back into the grid or directly into a home, will be a powerful driver of future growth.

He shared a personal example, stating that his Silverado EV can power his entire house for two weeks, completely eliminating the need for a separate, noisy generator.

He revealed that his local utility has already offered him a “big break on my utility bills” in exchange for access to just 20 percent of his vehicle’s battery.

On this point, Farley actually agreed, seeing a bright future for “partial electrification.” “We think hybrid, EV plug-in, E-revs, those kind of partial electric solutions, America is going to fall in love with, or already is falling in love with,” he said.

While the two titans may disagree on the immediate future, they both see a world where the line between a vehicle and a home power plant is beginning to blur, a technological shift that could prove to be the most powerful incentive of all.

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