When I first started noticing the absence of traditional handbrake from some new models the first thing that came to my mind was how then will handbrake turns be successfully executed? Since e-brakes are taking over the job of traditional handbrakes.
A  Koenigsegg Performing Handbrake Turns. Image courtesy of Jalopnik.
But you know that what motivates automakers differs from what motivates the end users. 

Traditional Handbrake. Image courtesy of How Stuff Works.
But the guys at Jalopnik interviewed the boss at Koenigsegg, Christian Von Koenigsegg who gave some insightful insights on this. 
Electromechanical Parking Brake. Image courtesy of BMW.
….”We here at Jalopnik love a good Q&A session, and Koenigsegg went down the same route by letting anybody ask a question from Christian himself on their own website. It’s well worth scrolling through! Part 1 is about the past with Saab and the future in terms on numbers. Part 2 reveals how one becomes Christian von Koenigsegg. Part 3 explains why Koenigsegg isn’t Scuderia Cameron Glickenhaus. You can read my question in Part 4. Or here:
The One:1 has a traditional handbrake but for the Regera – and I’m guessing all future Koenigseggs – you’re switching to an E-brake like most major manufacturers. What’s the benefit of that in your opinion? I’m asking because the functionality is hardly the same, and I’m trying to figure out why are we losing proper handbrakes almost as quickly as manual transmissions.
CvK: The main reason for getting rid of the manual handbrake is packaging in the interior. We have limited space inside the car and the E-brake gives us more flexibility, which is important when you have a battery pack to consider and you want to offer a more luxurious interior. With a mechanical handbrake you have cables going from the interior, they have to be routed around the engine and to the wheels. It’s a very hot area so you have to make space, have appropriate insulation, etc. It’s cumbersome and it’s in the way.
We’re going to do what Tesla has done, which I haven’t seen anyone else do as yet: we won’t even have a handbrake switch in the car. When you stop the car and put it in park, the handbrake will be on. You won’t forget it and you won’t forget to release it when you drive off again. It’s a better, safer way that works for our vehicle packaging and it’s not annoying the way other e-brakes with fiddly switches can be.
OK, you can’t do handbrake turns anymore but that’s not going to be much of an issue. The owner can just floor it instead and powerslide through the corner :). Or maybe we could develop a button for handbrake turns”?
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