EVs & Mobility • 13 min read

Does Your Tesla Have a Heat Pump? Every Model and Year

The Model Y has had a heat pump since launch and the Cybertruck has one. Model 3s got it with the 2021 model year, and the Model S and X got it with the 2021 refresh. Older cars use a resistance heater. Here is the full table, the 30-second check Tesla prints in its own manual, and what the difference is worth in winter.

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In a wet winter driveway, a woman in a deerstalker hat and parka kneels at the open driver's door of a snow-dusted grey Tesla, holding a magnifying glass to the door jamb like a detective, while a newer white Tesla behind her steams faintly from its front in the cold.

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Tech & Innovation

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AI & Automation

A federal tactical team storms an assembly bay with weapon lights raised while an official hauls down a power disconnect lever, aimed at a towering chrome war robot that hangs limp and unfinished in its gantry with dark eyes, one arm missing and an empty chest cavity, a machine that has never been switched on

The AI Kill Switch Bill Predates Its Own Trigger

Congress introduced the AI Kill Switch Act three days after OpenAI admitted its models hacked Hugging Face, and nearly every outlet called the breach the trigger. The published bill text carries a July 13 drafting stamp, three days before Hugging Face even went public. The incident it was actually built for happened in June.

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EVs & Mobility

On a frosty dawn street, a man leans out of his slowly rolling grey Tesla Model 3 hauling a rope tied to a rusty boat anchor that drags behind the car, while a neighbor walking a dog stares.

Why Your Tesla Says Regenerative Braking Is Limited

Your Tesla coasts instead of slowing, a dotted line appears on the power meter, and the screen says regenerative braking is limited. It is almost never a fault. The manual names three causes, a cold battery and a full one chief among them, warns separately about regen on ice, and offers a setting that makes the car press its own brakes to fill the gap. Here is what each sign means and how to get regen back.

At dawn on a snowy driveway, a woman in a bathrobe holds coffee and her phone on the porch while her plugged-in Tesla Model 3 sits frost-free and steaming in a ring of melted snow; next door a neighbor in a parka scrapes ice off a frozen sedan.

Tesla Preconditioning: How It Works and What It Costs

Preconditioning warms a Tesla's cabin and battery before you drive or fast charge. Plugged in, the energy comes from the wall and costs you no range. Unplugged, it runs off the pack and only above 20 percent. Tesla's own manual says to allow 30 to 45 minutes, and a warm pack fast-charges in roughly the time a cold one spends just heating up. Here is how it works, what it costs and why it sometimes does not run.

View all EV posts → New interactive: Which EV is right for you? 9 questions, 2 minutes — your top 3 matches, new or used, ranked and explained. Plus an honest call on whether you should buy an EV at all. Find my EV →

Energy & Policy

A fully loaded crude oil supertanker sits stranded at dusk in a narrow sea strait, blocked from open water by a giant rusted chain-and-boom barrier stretched across its path, the dark sea sheened with oil.

$100 Oil Is Back, and Saudi's Escape Route Just Closed

Brent crude topped $100 on July 23 after Houthi missiles hit two Saudi tankers in the Red Sea. The twist: that water is the exact route Saudi Arabia built to escape the Strait of Hormuz, and it just moved more than 4 million barrels a day into it. Both of the kingdom's export doors are now contested at once.

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Markets & Money

A technology executive proudly gestures at a towering mountain of green cash that is revealed from the side to be a thin flat cardboard stage prop, propped up with nothing behind it, on a bare data-center floor.

Big Tech's $176B Profit That Isn't Really There

Alphabet's revenue rose 24 percent last quarter while its depreciation bill jumped 42 percent and its free cash flow went negative. The gap between reported profit and real cash comes down to one accounting choice: how long a company pretends its AI chips will last. Michael Burry estimates that choice hides roughly 176 billion dollars of overstated profit across Big Tech.

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Picks & Reviews

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