Wondering what Caterpillar means by ACERT (Advanced Combustion Emissions Reduction Technology)? Check out today's Clean Diesel C10, C12 and C15 engines. Cat calls them a preview of the technology they're relying on to avoid exhaust-gas recirculation. Key ACERT features on the 10.3-, 12-, and 14.6-liter engines include a larger version of the exhaust catalyst proven on Cat's mid-range engines and electronic control for the waste-gate turbocharger. A fuel-management system stabilizes fuel temperature and compensates for power lost to hot fuel. Injection software changes are in place, as are injectors that deliver a pilot injection before the primary fuel charge enters the cylinder.
