Energy Efficiency Renewable Energy (EERE) High Efficiency Clean Combustion and Waste Heat Recovery for Internal Combustion Engines

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Energy Efficiency Renewable Energy (EERE) High Efficiency Clean Combustion and Waste Heat Recovery for Internal Combustion Engines: AREA OF 1NTEREST 1 : DE-PS26-04NT42099-01: Enabling High Efficiency Clean Combustion Applications submitted under this Area of Interest shall focus on components, technologies, and methods to accelerate commercial application of combustion processes that have inherent advantages in efficiency and low emissions. Examples (not limiting) of acceptable subjects are: - Variable-geometry and variable-pressure fuel injection hardware and control - Air-fuel ratio and boost (manifold pressure) control by numerous methods - In-cylinder temperature control (for governing start of combustion), with adequate time response for cycle-to-cycle control. - New ignition methods and devices for HCCI start of combustion - Sensors (real and virtual) for critical aspects of combustion control and mode switching, such as for determining the state of the mixture in the combustion chamber. - Technologies that can modify the fuel on-board for combustion control - Selection or design of fuel properties for HECC ( Technologies or approaches are encouraged that show a potential efficiency advantage, possibly in combination with Area of Interest 2. Emission control after-treatment devices are likely to remain necessary even with HECC, so the proposed approach should be synergistic or at least compatible with exhaust after-treatment devices. Specific targets for this topic include: Power density near that of conventional engines that dominate the applicable vehicle class. Ability to operate over transient standard emissions test cycles. Synergistic or at least compatible with exhaust after-treatment devices. Emissions on target with program goals (2010 regulations) Efficiency improvement attributable to HECC of 10% or more (e.g. 40% to 44% brake thermal efficiency).