Mercedes F800

Today, Mercedes-Benz design style is gradually changing, new ideas continue to demonstrate. In the recently from the Mercedes-Benz F800 Style concept car, we can see a lot of new ideas, also it shows us a new design philosophy.
In the external form, F800 concept car is a four-door coupe, so this design is likely to appear on the next-generation CLS.
F800 also shows off Mercedes’ green drivetrain development. It is powered by a plug-in hybrid. It has 19 miles in electric-only mode, but when the petrol engine is running, things become rather more impressive: 0-62mph in 4.8 seconds and a top speed of 155mph.
In addition to power system, on F800 concept car, it also appears two new security technologies. For one thing, Distronic Plus Traffic Jam Assistant; another is PRE-SAFE 360system.

Direct Fuel Injection 911 Carrera

With millisecond accuracy, DFI injects fuel at a pressure of up to 1740 psi directly into the combustion chamber by means of electromagnetically actuated injection valves.
The spray and cone angles have been optimized for torque, power output, fuel consumption and emissions by enabling a homogeneous distribution of the air/fuel mixture, and, therefore, effective combustion. With direct injection, the EMS SDI 3.1 engine control regulates injection timing individually for each cylinder as well as the injection rate for each cylinder bank. This optimizes the combustion process and fuel economy. A hot-film air mass meter takes care of the airflow, so that the combustion chambers contain exactly the right mixture at all times.
DFI improves the internal cooling of the combustion chamber by having the mixture prepared directly in the cylinder. This allows for a higher compression ratio (12.5:1) which helps to deliver more output along with enhanced engine efficiency. It has therefore been possible to reduce CO2 emissions by up to 15%, depending on the model.

911 Carrera