article thumbnail

Achates Power continues development of opposed-piston technology for US Army vehicles

Green Car Congress

The family of engines strategy uses a common power cylinder system across several different engine variants to address a range of power and torque requirements in order to serve multiple military vehicles with a common architecture. The variable flow lube pump helps maintain engine efficiency.

Power 418
article thumbnail

Eastern Pacific Shipping, OCI & MAN partner to develop methanol & ammonia as marine fuels; retrofits and newbuilds

Green Car Congress

The company also said that the MOU is an example of not letting the perfect be the enemy of the good, as the technology to retrofit vessels to run on methanol exists today while using methanol and ammonia on newbuilds is still a few years away. Components and pipes added to each cylinder to enable methanol fuel. Source: MAN.

Mariner 243
article thumbnail

Shell develops new concept synthetic lubricant for engines; up to 6.5% fuel economy benefit on urban cycle

Green Car Congress

A collaboration between research teams at Shell and Gordon Murray Design (GMD) recently led to the development of an innovative concept engine lubricant capable of achieving a 6.5% 25 city car as the test bed, Shell engineers formulated an ultra low viscosity 0W-10 motor oil. benefit on a combined cycle.

article thumbnail

ETI announces £2.5M lower drivetrain HDV efficiency project

Green Car Congress

The UK Energy Technologies Institute (ETI) has launched a three-year, £2.5-million The ETI is a public-private partnership between global energy and engineering companies—BP, Caterpillar, EDF, E.ON, Rolls-Royce and Shell—and the UK Government. million (US$3.9-million)

Mariner 231
article thumbnail

Experts view on future transportation fuels

Green Car Congress

Since internal combustion engines will remain the primary mode of choice for mobility in the foreseeable future, both alternative (renewable) fuels and high-performance combustion concepts/ engines using fuels adapted for that purpose will be preferred for reducing the combustion impact on climate change.

article thumbnail

Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

Green Car Congress

Honda R&D began developing the VCR mechanism due to what Masahsi Kato, who presented a paper on the control system of the dual piston mechanism, described as drawbacks to current approaches to improving fuel-efficiency in gasoline engines of downsizing and new combustion technology. Mpa (8 bar) and the oil flow rate is 3L/min.

Honda 150
article thumbnail

Grail Engine Adopts Enerpulse Pulse Plugs for Forced Semi-Homogeneous Charged Compression Ignition in Concept Two-Stroke Engine

Green Car Congress

Rendering of the Grail Engine. Grail Engine Technologies , the designer of a two-stroke engine using forced semi-homogeneous charged compression ignition (FS-HCCI) combustion, has adopted the Pulstar pulse plugs from Enerpulse ( earlier post ). Oil is kept away from center of crank shaft by inertia and centrifugal force.

Engine 186