Fast Lane: More legroom in Bentley Bentayga, Mercedes-AMG and rapper will.i.am create GT

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Senior Transport Correspondent

Bentley Bentayga offers more legroom

The Bentley Bentayga Extended Wheelbase is 180mm longer than its standard wheelbase twin. On top of limo-class legroom, rear passengers can opt for Bentley's Airline Seat Specification with automatic climate sensing and advanced postural adjustments. It comes with three seating configurations, including a new 4+1 layout alongside four- and five-seat versions.

The driving dynamics is comparable with the Bentayga V8, thanks to rear-wheel steering and Bentley Dynamic Ride with adaptive anti-roll bars.

The stretched Bentayga is available with a 4-litre 550hp V8.

An electric car without brakes?

DS Automobiles' prototype electric E-Tense Performance may be the first car without conventional brakes. It can make use of motor regeneration entirely for stopping.

Using Formula E technology, the luxury arm of Citroen is exploring whether regenerative braking could be used as the sole means to slow cars down. Though this technology is already available in most electric vehicles, it is currently used to complement conventional friction brakes.

The DS E-Tense Performance uses two electric motors producing up to 600kW and 8,000Nm to propel it to 100kmh in just two seconds.

Porsche buys stake in US battery start-up

Porsche is acquiring shares in American start-up Group14 Technologies, which uses advanced silicon-carbon technology for lithium-ion batteries.

As the lead investor, the carmaker is raising US$100 million (S$140 million) and leading a Series C funding round in which several companies are investing a total of US$400 million.

The company aims to make the next generation of battery cells considerably more efficient than the lithium-ion batteries currently in use. The chemistry of the new cells reli...

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