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Tuesday, September 16, 2008
Renault Ondelios - Hybrid
Image: © theirEarth News Media

Renault To Show Ondelios Hybrid Car At Paris Motor Show

Renault has announced that they will unveil a new concept car called the 'Ondelios' at the Paris Motor Show on October 2, 2008. The Ondelios is a long-haul (distance) car that incorporates exceptional fuel economy and seating for six. The Ondelios is a hybrid vehicle with a Renault 2.0 L dCi diesel engine rated at 205 hp (150 kW) combined with two 20 kW electric motors, one on the front drive and one at the rear. This powertrain combination gives the Ondelios a zero to 100 km/h (62 mph) acceleration time of 7.8 seconds.

With its advanced powertrain, the Ondelios uses its two electric motors to provide 4WD traction, with the traction control monitoring slippage and applying power using the front and rear electric motors. There is a seven-speed  double-clutch gearbox to provide performance with low fuel consumption gear changes. Renault's engineering on the Ondelios delivers a fuel efficiency (economy) of 4.5 L/100km (52.3 US mpg) with very low CO2 emissions of 120 g/km.

The Renault Ondelios is 4.8 metres (15ft 9in) long and 1.6 metres (5ft 3in) high. The shape is extremely aerodynamic with a drag coefficient (Cd) of just 0.29. Renault has also combined LED front lights in the grill and the rear tail lights are integrated with air extractors to smooth the air flow off the rear wheel arches. Patrick Le Quement, Renault's Design Director, refers to the Ondelios as "inspired by motion rather than by speed". The Ondelios's side doors are butterfly type, and open upwards rather than the conventional outwards.

Renault has made the Ondelios as light as possible, and the body panels are made from carbon. For recycling ease, some of the interior structural parts have been made with natural flax fibre. Michelin has created low rolling resistance 255/40 Pilot Sport tires, whose contact patch is designed to undergo only moderate deformation. Additionally the Michelin tires have an aerodynamic side wall that is flush with the side of the rim and creates more laminar air flow to reduce drag.

The Renault Ondelios has an onboard 4 kw/h lithium ion battery to power its two electric motors. There is also regenerative braking to charge the battery during deceleration. Additionally, stop-start technology is incorporated that shuts down the 2.0L dCi engine during braking, and restarts it from a start, as needed, in conjunction with the electric motor power.

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