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New Peugeot 308 features e-HDi micro-hybrid technology; CO2 emissions start from 98 g/km

e-HDi on the 308. Click to enlarge.

The new Peugeot 308 comes with a new look, features the next generation Stop & Start e-HDi micro-hybrid technology and optimizes fuel consumption and CO2 emissions, which start from 98 g/km. The new 308 will receive its world premiere at the 2011 Geneva Motor Show and will go on sale from April 2011 in Europe.

The second Peugeot model after the 508 (earlier post) to offer the system, the new Peugeot 308 features e-HDi technology on the entry-level diesel 1.6 liter HDi FAP 112 bhp Euro 5 engine. This offer is available with a semi-automatic manual gearbox and, for the first time, with a full manual gearbox.

In addition to micro-hybrid technology, other factors impacting the level of CO2 emissions have been optimized:

  • weight reduced by 25 kg on average per car
  • launch of 16” tires with Very Low Rolling Resistance
  • use of a piloted oil pump on 1.6 liter HDi engines;
  • optimization of operation of the alternator on some engines;
  • improvement of power steering control (electropump unit);
  • Cx of 0.28 for versions with a low fuel consumption.

e-HDi.The new generation stop/start technology is based on the combination of a 1.6 liter HDi Euro 5 diesel engine and a reversible alternator. Relying on an alternator control system (Volt Control) to recover energy during deceleration and a hybrid battery to store and deliver additional energy on startup (e-booster), the HDi unit allows:

  • a 15% reduction in fuel consumption in urban traffic;
  • a 5 g/km reduction in CO2 emissions for approved cycle fuel consumption;
  • 40% faster restarting (400 ms) than with an enhanced starter stop & start;
  • activation of engine cut-out from 20 km/h with a manual gearbox (8 km/h for the electronically controlled gearbox);
  • increased driveability of the Stop & Start system (silent operation, no vibrations).

The second-generation reversible alternator has a power of 2.2 kW and allows up to 600,000 restarts. The Stop & Start function can be driver deactivated.

Continental AG is supplying Maxwell Technologies ultracapacitor-based booster systems to PSA Peugeot Citroën for the second-generation e-HDi systems. (Earlier post.)

Engine range. The 308 offers the latest generation engines for both gasoline (VTi or THP engines) and diesel versions (new HDi Euro 5 engines).

4 Euro 5 gasoline engines:

  • 1.4 liter VTi 98 bhp with 5-speed manual gearbox;
  • 1.6 liter VTi 120 bhp with 5-speed manual gearbox or automatic gearbox;
  • 1.6 liter THP 156 bhp with 6-speed manual gearbox or automatic gearbox;
  • 1.6 liter THP 200 bhp with 6-speed manual gearbox (exclusive to GTi version).
  • 4 Euro 5 diesel engines:

    • 1.6 liter HDi FAP 92 bhp with 5-speed manual gearbox;
    • 1.6 liter e-HDi FAP 112 bhp with 6-speed manual gearbox or electronically-controlled manual gearbox;
    • 2.0 liter HDi FAP 150 bhp with 6-speed manual gearbox;
    • 2.0 liter HDi FAP 163 bhp with automatic gearbox or 6-speed manual gearbox (only on the 308 CC).



This is more or less state of the art for Europe:
Common rail diesel + ultracap based micro hybrid.

And it is real - it will be for sale in April.
And people will buy it - 70.7% car sales in France are diesel.

Obviously a full hybrid would be better, but it is probably more important to make more of the cheaper micro hybrids than a few full hybrids.


Peugeot are also producing a full hybrid this year, I believe for release in the spring, the CUV 3008:
This uses their through the road system with the electric motor driving the rear wheels so that you get 4wd thrown in.
They are only putting the system in their top of the range engine version initially, so it won't be cheap.
A full plug-in hybrid is to follow in 2012.


The two technologies would work off each other quite well. The eHDI would be standard, then the Hybrid4 would be an option


Yes, build as many as you have engineers to design, and see what sells
(Engineers are quite expensive in Europe (3x Korea))
So they have to be careful what they spend them on


A basic vehicle with 3 or 4 added technologies as options would be appealing to potential buyers. Various range extenders and batteries size-technologies could also be buyers selectable options.

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