New MaK engine alcohol-based fuel conversion kits
Caterpillar has introduced two new alcohol-based fuel conversion kits for MaK engines. The dual-fuel conversion, for M 43 engines, is engineered to operate on up to 95% methanol or ethanol by volume,
Caterpillar
![A dual-fuel combustion strategy developed in a Caterpillar marine engine at DOE’s National Transportation Research Center at Oak Ridge National Laboratory shows methanol can efficiently power inland and coastal vessels.[Photo: Genevieve Martin/ORNL, U.S. Dept. of Energy]](https://www.marinelog.com/wp-content/uploads/2026/06/A-dual-fuel-combustion-strategy-developed-in-a-Caterpillar-marine-engine-300x225.jpg)
Oak Ridge dual fuel combustion system enables 75% methanol operation
Oak Ridge National Laboratory (ORNL) reports that a methanol dual fuel combustion system it has developed in collaboration with Caterpillar Inc. has produced significant progress, with clear relevance for inland and coastal
Steiner Shipyard delivers Alexa Golding towboat
The M/V Alexa Golding recently joined Golding Barge’s inland waterways fleet in Vicksburg, Miss., as a new 2,800-hp retractable twin-screw towboat designed by Sterling Marine and constructed by Steiner Shipyard in Bayou
Rambow Shipping upgrades multiple ships with Caterpillar CBV systems
Drochtersen/Assel, Germany-based Rambow Shipping Company has upgraded multiple containerships with the Caterpillar cylinder bypass valve (CBV) system. The ships are powered by MaK engines and the upgrades were carried out by Caterpillar
Methanol-ready Cat 3500E marine engines win DNV AiP
Caterpillar Marine reports that it has received DNV Approval in Principle for its Cat 3500E methanol-ready marine main and auxiliary engines. The DNV approval and class notation validate Caterpillar Marine’s methanol-ready dual-fuel
Podcast: Exploring future marine propulsion options
Welcome to this edition of Marine Log’s Listen Up! podcast. In this episode, we’re joined by Will Watson, marine product manager at Caterpillar. We’ll be diving into the myriad of marine propulsion
Silver Ships conducts training with new Montenegrin Navy response boats
Silver Ships, a manufacturer of workboats, has recently completed reactivation and crew familiarization training on four Coastal Fast Response Boats (CFRBs) delivered to the Montenegrin Navy. The training spanned two weeks and
Cat to deploy methanol dual-fuel 3500E marine engines in 2026
Caterpillar Marine reports that it has made significant advances in the development of its methanol dual-fuel Cat 3500E marine engines. Under a memorandum of understanding (MOU) with Damen Shipyards, it will deploy
Damen develops a future-ready fuel flexible tug
With regulatory pressures mounting, operators of all types of vessels, including tugs, are assessing all the alternative fuel technology options. Releasing details of a new fuel flexible tug design, Damen, one of
Silver Ships delivers first four in new coastal fast response boat series
Theodore, Ala., based Silver Ships has completed the construction and delivery of the first four coastal fast response boats (CFRBss) being built under a $6.12 million, seven-boat Naval Sea Systems Command contract