The Tennessee Valley Authority (TVA), a public entity charged with power generation in the Tennessee River Valley, has put a new Tier 4 towboat into service, marking a first… Read More
Tier 4
Q&A With Gary Sarrat, Inland Waterways Segment Manager For Caterpillar Marine WJ: Can you briefly describe the regulatory implementation timeline for Tier 4 marine engines? GS:… Read More
As a boy, Tim Kilburn and his two brothers were always tinkering with engines. Tim Kilburn. Small engines, like those for lawnmowers, came first. Then they discovered… Read More
A trio of panel discussions at the 2021 Inland Marine Expo (IMX2021) offered an in-depth look at the future of towing vessel propulsion, design and construction. Leaders from throughout… Read More
Blakeley BoatWorks (BBW), the shipbuilding subsidiary of Cooper/T. Smith, has built and delivered an EPA Tier 4-compliant towing vessel to sister company Cooper Marine & Timberlands (CMT). The… Read More
In the top story of 2020, an invisible virus has, to date, caused more than a million and a half deaths worldwide, sickened tens of millions more, overwhelmed the… Read More
Washington, D.C.—The Environmental Protection Agency (EPA) announced a final rule amending the national marine diesel engine program and providing relief by addressing concerns associated with finding and installing certified… Read More
Prospective operators of smaller-horsepower Tier 4-compliant towing vessels now have another engine option, following the September 1 announcement from Mitsubishi Turbocharger and Engine America (MTEA) introducing Mitsubishi’s new 1,260… Read More
On August 19, the Environmental Protection Agency finalized its rule to delay the implementation of Tier 4 engine emissions requirements for high-speed commercial vessels such as lobster boats and pilot boats. Read More
When the Environmental Protection Agency (EPA) began a phased implementation of Tier 4 requirements for new marine engines above 800 hp. in 2008, one of the anxieties that arose… Read More
