UltraGreen high-pressure waterjet pump units from NLB Corp. have environmentally friendly Tier 4F engines that comply with the latest EPA emissions regulations and can reduce operating costs. The engines reduce emissions, improve fuel efficiency and increase torque, making it practical for pump units with smaller engines to handle bigger jobs. UltraGreen packages are available on many convertible pump units, which are simple to maintain and fast to convert to pressures up to 40,000 psi. Units are trailer-mounted for easy towing. 248/624-5555; www.nlbcorp.com.