True or False: Most late model engines use quiescent bowls combined with high-injection pressurization to mix air and fuel to achieve lower NOx emissions.

The statement is true because many late model engines have incorporated advanced combustion technologies designed to optimize air-fuel mixing, which plays a crucial role in reducing harmful emissions such as nitrogen oxides (NOx). Quiescent bowls are engineered to promote a more stable and uniform mixture of air and fuel by creating areas in the combustion chamber where turbulence is minimized during the fuel injection and combustion process. This helps in achieving better combustion efficiency and lower emissions.

Additionally, high-injection pressurization refers to the use of increased fuel injection pressure, which ensures that the fuel is atomized more finely. This finer atomization leads to better mixing with the air, which is essential for complete combustion. A more complete combustion process results in lower emissions, including a reduction in NOx.

Together, these technologies reflect the industry's efforts to align with stricter environmental regulations and improve engine efficiency while maintaining performance. Therefore, the claim that most late model engines use quiescent bowls combined with high-injection pressurization to mix air and fuel effectively to achieve lower NOx emissions is accurate.