I wonder how the Bosch system compares to the ACCT system from Autocar that reportedly virtually eliminates NOX at any engine temperature and also uses off the shelf existing parts.
AUTOCAR ACCT NOX emission control system.According to the article
"the system converts the universally available urea-based after-treatment AdBlue into a special ammonia-rich 'ACCT fluid' under accurately controlled conditions in a chamber mounted in the exhaust system. Just as with the current selective catalytic reduction (SCR) systems, the new process uses freed ammonia to tear the components of NOx apart to leave just nitrogen and water. Where the two systems are so different is that ACCT fluid continues to work effectively at high levels of efficiency in low-exhaust temperature conditions that severely challenge current systems" reducing NOX by 98% compared to current system's that max out at 60% efficiency when fully up to temperature.
