Ford to Charge $295 for Auto Start-Stop System on 2013 Fusion, Says Improves Fuel Economy by 3.5%
A V12 engine is a rare sight indeed in the automotive world and if we had to pick one maker closely associated with it, then it would have to be Ferrari. 
Even the very first model to bear the prancing horse logo, the 1947 125 S, was powered by a 1.5-liter V12 designed by Gioacchino Colombo and it would set the specs for Ferrari’s V12s until the end of the 1980s, long after its creator had left Maranello.
The thing is, even though Ferrari had stayed loyal to the V12 layout in its Formula 1 cars for more than five decades, in 1996, the F310 driven by new signing Michael Schumacher was powered by a V10 –simply because it was a better. Moreover, subsequent rule changes meant that today a V8 is mandatory.
During the launch of the F12berlinetta, it was mentioned that the 730HP engine nesting behind the coupe's sculpted nose was “the first in a new generation of V12s”.
The next car in line is the Enzo replacement. However, traditions don’t necessarily last forever. Are V12-engined Ferraris going to be a thing of the past because of tightening fuel consumption and carbon dioxide emissions?
Ferrari CEO Amedeo Felisa said that the F1-developed kinetic energy recovery system (KERS) will ensure that the company will keep the V12 in its engine line-up for years to come.
“We will roll out new technology that is there first and foremost to introduce a green factor to our cars and ensure that we can keep our product where it is in terms of CO2”, Felisa told British publication Autocar.
Having experimented with other layouts as well, Ferrari decided to go the hybrid way. It gave us a sneak preview of what it has in store for its future V12s at the 2010 Geneva Motor Show with the 599-based HY-KERS concept.
The hybrid system comprises a compact and light electric motor coupled to the dual-clutch gearbox and a battery pack encased in the underbody. It cuts CO2 emissions by 35 percent while, at the same time, adding another 100HP to the car’s total output, verifying Felisa’s claim that “our hybrid system won’t be just about creating power, but saving energy too”.
Felisa commented, “This technology is expensive today, but it has been designed to fit all our future architecture”. So, will all future Ferraris be hybrids? “If we go ahead, it will be fitted as standard. It’s not the sort of thing you offer as an option," explained Felisa.
Finally, Ferrari’s CEO did not dismiss the notion of offering six-cylinder engines on future models: “Why not six cylinders? It’s far away in the future, perhaps, but it is clear that perceptions have altered. Even in the US, where until a few years ago eight cylinders was the minimum, it is clear attitudes have changed”.
For those of you that baulk at the idea of a Ferrari with less than eight cylinders, we’ll just say that the company’s first mid-engined road car, the 1966 206 Dino, was powered by a V6. So maybe it won’t be merely downsizing, but a return to the company’s roots, as well.
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We believe that auto start-stop systems are one of those features that should be standard across the range of any model these days, as switching off the engine when stuck in traffic has proven to be an effective and fairly inexpensive way to improve the fuel economy of any type of car. However, instead of making it standard on its new 2013 Fusion sedan, Ford decided to offer Auto Start-Stop system as an option when the car launches in the States this fall. On the other hand, Ford has priced the fuel-saving technology at a reasonable $295. 
