Saturn S series Twin Cam cylinder head had now featured a new roller-rocker setup with hydraulic tappets and roller cams replacing the conventional bucket lifter setup of the previous engine in the S series. Also introduced for the 1999 model year S-series vehicles that were sold in California was a different type of an exhaust manifold that housed an upstream catalytic converter (this converter had heated up much faster than the conventional unit, and it had also decreased exhaust emissions faster as well), and it also had provisions for an air-injection reaction system (This had injected fresh air into the exhaust to reduce
Vehicle-to-device Vehicle-to-device Vehicle-to-device (V2D) communication is a particular type of vehicular communication system that consists in the exchange of information between a vehicle and any electronic device that may be connected to the vehicle itself. The ever-increasing tendency of developing mobile applications for our everyday use has ultimately entered also the automotive sector. Vehicle connectivity with mobile apps have the great potential to offer a better driving experience, by providing information regarding the surrounding vehicles and infrastructure and making the interaction between the car and its driver much simpler. The fact that apps may significantly improve driving safety has attracted the