Related US Application Data is a continuation of application No. 14/188.479, filed on Feb.
24, 2014, now Pat. No. 9,086,024, which is a continuation of application No. 13/004,844 …

An internal combustion engine capable of cylinder deacti vation or skip fire control in
combination with variable valve lift control. One bank of cylinders can be deactivated while …

Various methods and arrangements for improving fuel economy and noise, vibration, and
harshness (NVH) in a skip fire controlled engine are described. An engine control ler …

In one aspect, a method for controlling operation of an internal combustion engine is
described. The engine is operated in a skip fire manner such that selected skipped working …

In one aspect, a method for controlling operation of an internal combustion engine is
described. The engine is operated in a skip fire manner Such that selected skipped working …

Internal combustion engine having cam actuated valves that can be controlled to facilitate
the use of different air charge levels in different cylinders or sets of cylinders are described …

Abstract Systems and methods are described for mitigating vehicle vibration through the
control of a variable spring absorber that is part of a powertrain that includes the engine. In …

A variety of methods and arrangements are described for controlling transitions between
firing fractions during skip fire and potentially variable displacement operation of an engine …

Abstract Systems and methods for reducing noise or vibration generated by an internal
combustion engine are described. An engine controller is arranged to operate the working …

A variety of methods and arrangements are described for controlling transitions between
firing fractions during skip fire or other dynamic firing level modulation operation of an …