$9.$ How do modern internal combustion engines achieve low emissions while maintaining high performance?

$-$ A$)$ By using leaded gasoline

$-$ B$)$ By implementing advanced fuel injection systems

$-$ C$)$ By reducing engine size

$-$ D$)$ By increasing engine weight

$10.$ Which of the following emission control methods is designed to reduce evaporative emissions from the fuel system?

$-$ A$)$ Catalytic converter

$-$ B$)$ Evaporative emission control system $($EVAP$)$

$-$ C$)$ Exhaust gas recirculation $($EGR$)$

$-$ D$)$ Diesel particulate filter $($DPF$)$