GREENSBORO, N.C. — Volvo says its engines are now available with a new feature that lowers NOx emissions to levels acceptable in California.
Volvo’s D11, D13 and D16 engines can now be spec’d with an optional Low NOx Idle (LNI) feature which allows customers to idle indefinitely in California and still comply with emissions standards. With the option, Volvo’s engines will emit less than 30 grams/hr of NOx while idling, the company says.
Engines that aren’t equipped with the option must not idle in California for any longer than five minutes. The restriction is also in place in Pennsylvania and New Jersey and other states are also looking at adopting the rule.
“As part of our environmental core value, Volvo has always promoted turning the engine off when a truck is not in use to reduce emissions and to conserve fuel,” said Matt Kelly, Volvo’s executive director – marketing. “However, it may be necessary to idle the engine while parked for a prolonged period in order to provide a comfortable environment to the driver who may be resting in the truck, such as during particularly hot or cold weather.”
The option allows the Volvo engines to idle at a low 700 RPM and it also employs a low level of exhaust gas recirculation, which reduces the fuel consumed at idle, lowering NOx emissions. The company says the option also provides a faster engine warm-up so the truck can be driven sooner after a cold start.
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