As of the beginning of 2021, Audi has converted its European vehicle range to the level of the Euro 6d emission standard. All models included in the currently valid sales program comply with the strict limits of the Euro 6d-ISC-FCM standard. Currently, 193 models are certified according to the new... Read more →

The US Environmental Protection Agency (EPA) announced the availability of grant funding to implement projects which reduce emissions from the nation’s existing fleet of older diesel engines. EPA anticipates awarding approximately $46 million in Diesel Emissions Reduction Act (DERA) grant funding to eligible applicants, subject to the availability of funds.... Read more →

Earlier this month, Achates Power announced that its innovative 3-cylinder, 10.6L opposed-piston (OP) heavy-duty diesel engine achieved Ultralow NOx (ULNOx) performance results. (Earlier post.) A key element of the achievement is the low engine-out NOx from the opposed-piston engine, which reduced the requirements for the aftertreatment system (ATS). The original... Read more →

Since forming in 2013, Argent Materials, a San Francisco Bay Area recycler of concrete and asphalt, and supplier of aggregate such as crushed rock, entry, cutback, sand, backfill and base rock for construction projects, has diverted more than a billion pounds of waste from local landfills. As a result, Argent... Read more →

Achates Power’s innovative 3-cylinder, 10.6L opposed-piston heavy-duty diesel engine has achieved performance results that comply with pending 2027 requirements of the US Environmental Protection Agency (EPA) and California to reduce sharply emissions of nitrogen oxides (NOx). Engine and aftertreatment system development and performance assessments were conducted at the Achates Power... Read more →

Grön Fuels, LLC’s renewable diesel and jet fuel option facility at the Port of Greater Baton Rouge is based on Topsoe’s proprietary HydroFlex hydrotreating and H2bridge hydrogen technologies, including an option to capture ~1 million tons per year of bio-CO2 for carbon sequestration in suitable deep saline aquifers located below... Read more →

Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing Volkswagen continues to refine its most important diesel engine, the 2.0-liter TDI. With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to... Read more →

Altair Paramount, LLC (Altair) has applied for California LCFS fuel pathways for renewable diesel, renewable naphtha and renewable jet fuels derived from rendered animal fat feedstock and processed at their facility in Paramount, California. Altair sources rendered inedible animal fat from an integrated meatpacking and rendering facility owned by JBS1... Read more →

In a new report, the US Environmental Protection Agency (EPA) Air Enforcement Division (AED) estimates that the emissions controls have been removed from more than 550,000 diesel pickup trucks in the last decade. The AED report includes only tampering that involves the complete removal and disablement of emissions controls hardware.... Read more →

UK Prime Minister Boris Johnson confirmed that the government will accelerate the ban on the sale of new gasoline and diesel vehicles, bringing it forward by ten years to 2030, as part of a “Green Industrial Revolution.” The sale of hybrid cars will be allowed until 2035. Johnson announced the... Read more →

Westport Fuel Systems Inc. announced a follow-on contract for new product development work with its current European-based original equipment manufacturer (OEM) partner to apply Westport HPDI 2.0—the company’s LNG system for heavy-duty diesel vehicles—to an updated base engine platform. The program will incorporate new features for the resulting HPDI 2.0... Read more →

For the first time, renewable raw materials are being converted to Swedish Environmental Class 1 diesel (maximum sulfur content of 10 ppm) at Preem’s refinery in Lysekil. The aim is to annually produce up to 950,000 cubic meters (251 million gallons US) of renewable fuel by 2024. This is part... Read more →

Audi has introduced the latest version of the SQ5 TDI diesel. The SQ5 TDI was first introduced in the fall of 2012 as the first Audi S model powered by a diesel engine. In its latest version, the three-liter V6 delivers 251 kW (341 PS) and 700 N·m (516.3 lb-ft)... Read more →

Neste, the world’s leading producer of renewable diesel and sustainable aviation fuel produced from waste and residue raw materials, has agreed to acquire Bunge Loders Croklaan’s refinery plant located in Rotterdam, the Netherlands for a purchase price of €258 million (US$302 million). The refinery plant is located next to Neste’s... Read more →

Diamond Green Diesel facility in Norco, La., will more than double its annual production of renewable diesel with the completion of a second Honeywell Ecofining process unit with a capacity of 30,000 barrels per day (bpd). Diamond Green Diesel is owned by Valero Energy Corp. and Darling Ingredients Inc., and... Read more →

Renewable Energy Group, Inc. plans to undertake a capacity expansion of its Geismar, Louisiana biorefinery by 250 million gallons annually to 340 million gallons per year. The announcement follows a thorough review and site selection process. Construction should begin in mid to late 2021 with target mechanical completion date in... Read more →

PT Pertamina (Persero)—the national oil company of Indonesia—will use Honeywell UOP technologies to produce advanced biofuels at its Plaju and Cilacap refineries in Indonesia. The company will use UOP Renewable Jet Fuel Process technology at its Plaju refinery in Palembang, South Sumatra, and UOP Ecofining technology at its Cilacap refinery... Read more →

Tula Technology is presenting its diesel Dynamic Skip Fire (dDSF) technology (earlier post) at the 4th Future Diesel Powertrain Summit China 2020 on 24-25 September 2020 in Shanghai, China. In addition to providing an overview of dDSF technology, the presentation will address the Cummins-Tula 15L Heavy-Duty dDSF Project as well... Read more →

Southwest Research Institute (SwRI) has added two test stands to its Exhaust Composition Transient Operation Laboratory — ECTO-Lab. This computer-controlled, multi-fueled burner system simulates engine exhaust conditions to conduct steady-state and transient evaluations, including the ability to age a wide range of emission control systems rapidly. The ECTO-Lab expansion includes... Read more →

Bosch and Weichai Power have increased the efficiency of Weichai truck diesel engines from their current level of roughly 46% to 50%. In increasing the efficiency by four percentage points, we have jointly reached a new milestone. Even though the diesel engine is nearly 130 years old, its development continues.... Read more →

As of September 2022, new cars must meet EU limits on NOx emissions under real driving conditions to comply with air pollution limits, the European Parliament has voted. Data on car emissions such as NOx had been obtained through laboratory tests. The EU is the first region in the world... Read more →

The US Environmental Protection Agency (EPA), USDepartment of Justice (DOJ), and California Air Resources Board (CARB) announced a proposed settlement with Daimler AG and its American subsidiary Mercedes-Benz USA, LLC resolving alleged violations of the Clean Air Act and California law associated with emissions cheating. Under the proposed settlement, lodged... Read more →

Solaris is introducing the Solaris Urbino mild hybrid. The first Urbino hybrid was displayed in 2006. Back then, Solaris was the first European producer offering a serially produced bus with a hybrid (diesel-electric) drive. New generations of hybrid buses have been part of Solaris’ offer ever since. However, the mild... Read more →

The California Air Resources Board settled eight diesel cases totaling more than $130,000 for violations of the Truck and Bus Regulation in the Imperial Valley. The Truck and Bus Regulation protects public health by reducing emissions of diesel particulate matter, oxides of nitrogen, and other pollutants from diesel-fueled vehicles. This... Read more →

ULEMCo, the UK company converting commercial vehicles to run on hydrogen, has commenced the largest single deployment of hydrogen dual fuel vehicles yet. This follows an order secured with Scottish company James A Cuthbertson Ltd, to transform Glasgow City Council’s existing fleet and some new gritters to be hydrogen-enabled. With... Read more →

The California Air Resources Board has approved a multi-pronged regulation that will significantly reduce NOx emissions from heavy-duty diesel trucks. The “Heavy-Duty Low NOx Omnibus Regulation” will require manufacturers to comply with tougher emissions standards, overhaul engine testing procedures, and further extend engine warranties to ensure that emissions of NOx... Read more →

FCA US LLC is voluntarily recalling an estimated 58,016 vehicles in the US to update certain powertrain software that will help prevent engine stall. An FCA investigation discovered the tone wheel in a small percentage of engines may, over time, lose magnetic material. Should this occur, it may disrupt signal... Read more →

Daimler AG and its subsidiary Mercedes-Benz USA LLC (MBUSA) have reached an agreement in principle with US authorities to settle civil and environmental claims regarding emission control systems of approximately 250,000 diesel passenger cars and vans in the United States. The involved US authorities are the Environmental Protection Agency (EPA),... Read more →

A new single-phase catalyst that enables the conversion of renewable and waste carbon into sustainable diesel fuels has been developed through a collaboration between the National Renewable Energy Laboratory (NREL) and two US Department of Energy (DOE) consortia, Chemical Catalysis for Bioenergy (ChemCatBio) and the Co-Optimization of Fuels & Engines... Read more →

ExxonMobil has signed an agreement with Global Clean Energy Holdings to purchase 2.5 million barrels of renewable diesel per year for five years from a converted California refinery starting in 2022. As background, globally, in 2019, ExxonMobil sold some 1.9 million barrels per day of heating oils, kerosene and diesel... Read more →

The California Air Resources Board will consider the proposed Heavy-Duty Low NOx Omnibus Regulation on 27 August 2020. The proposed regulation is intended to ensure reductions in smog-forming NOx and protect communities most impacted by air pollution. On-road heavy-duty vehicles are an essential part of the state’s economy. These vehicles... Read more →

Anelise Lara, the head of Petrobras’ refining, announced that the company is ready to begin production of renewable diesel from soy or other edible oils at commercial scale. Petrobras will expand investments in the segment as soon as it is granted a permit, Lara said. Petrobras recently successfully concluded tests... Read more →

Renewable Energy Group (REG) has entered into an agreement with Hunt & Sons, Inc. to supply REG Ultra Clean at 12 locations in Northern California. REG Ultra Clean blends biodiesel and renewable diesel. The patent-pending combination delivers both biodiesel’s excellent lubricity and renewable diesel’s high Cetane and low Cloud Point... Read more →

Neste, the world’s leading producer of renewable diesel, has opened four new fueling stations in northern and central California, providing greater accessibility to 100% renewable diesel. The fueling stations are open 24/7 and provide a seamless and quick customer experience. They are located near major commercial freight routes and are... Read more →

Jaguar Land Rover has now produced more than 1.5 million Ingenium engines at its Engine Manufacturing Center in Wolverhampton, UK. The UK manufacturer is now adding a new straight-six diesel to the family. The advanced Ingenium family, which includes a range of diesel, gasoline and electrified engines, are built to... Read more →

As suggested in 2018, (earlier post) the 2021 Jeep Gladiator is now available with the 3.0-liter EcoDiesel V-6 engine. The expected fuel economy ratings will deliver the highest driving range on one tank of fuel yet for Gladiator. The new 3.0-liter EcoDiesel V-6 engine, rated at 260 horsepower and 442... Read more →

Truck manufacturer Navistar Inc. has paid $2 million to resolve allegations that it altered heavy-duty vehicle engines from their certified design, potentially causing excess diesel emissions and negatively impacting air quality. The Illinois-based company modified its vehicle calibrations from their certified design through “running changes” in the engines of its... Read more →

Mercedes-Benz Vans is introducing a new 2.0-liter 4-cylinder diesel engine for the Sprinter Cargo Van. This powertrain produces 161 hp and 266 lb-ft 9360 N·m) of torque and is paired with a 7-speed automatic transmission. The 2.0-liter 4-cylinder diesel Cargo variant will join the versatile Sprinter lineup in the US... Read more →

The US Army Contracting Command–Detroit Arsenal announced that GM Defense LLC, a subsidiary of General Motors, has been awarded the production contract to build, field and sustain the Army’s new Infantry Squad Vehicle (ISV). The total production ISV contract award value is $214.3 million to procure the initial Army Procurement... Read more →

The weight of heavy-duty trucks as they drive causes a slight deflection in the road surface under them—enough of a dip to make a difference to the trucks’ overall fuel efficiency (deflection-induced pavement-vehicle interaction). Now, a study by MIT researchers suggests that small changes in roadway paving practices could reduce... Read more →

South Australian manufacturer Hydrogen Direct Injection’s (HYDI) systems have been in various stages of development and testing since 2013 but are now on the verge of commercialization following encouraging testing results from the University of South Australia. The independent testing on a generator showed the unit reduced diesel consumption in... Read more →

UK-based ULEMCo has worked with Yorkshire Water to produce what is believed to be the first water tanker anywhere to operate on hydrogen fuel. The new 7.5 tonne bowser has been converted from a standard truck to use hydrogen dual fuel, an approach that allows fleet managers to transition more... Read more →

Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NOx) and carbon dioxide emissions while minimizing fuel consumption. Working with regulatory agencies, vehicle manufacturers and suppliers, SwRI combined engine modifications with integrated aftertreatment technology and control strategies to reach near-zero... Read more →

A new UCLA study in zebrafish identified the process by which air pollution can damage brain cells, potentially contributing to Parkinson’s disease. Published in the journal Toxicological Sciences, the findings show that chemicals in diesel exhaust can trigger the toxic buildup of a protein in the brain called alpha-synuclein, which... Read more →

The VW diesel scandal began on 18 September 2015. On the opening day of the Frankfurt International Motor Show (IAA), the US Environmental Protection Agency (EPA) published a Notice of Violation: VW diesel engines with 1.6 and 2.0 liters displacement (type code EA 189) contained illegal software designed to manipulate... Read more →

Global Clean Energy Holdings, Inc., through a subsidiary, has purchased Alon Bakersfield Properties, Inc., a subsidiary of Delek US Holdings, Inc. and the owner of the Alon Bakersfield Refinery. The total cash consideration paid to Delek US Holdings for the purchase was $40 million. Alon Bakersfield Refinery is an existing... Read more →

Neste, the world’s leading producer of renewable diesel and sustainable aviation fuel produced from waste and residue raw materials, has acquired 100% of the Dutch Count Companies BV’s Count Terminal Rotterdam BV and its supporting entities, part of the First Dutch Group of Peter Goedvolk. The transaction was signed and... Read more →

by Michael Sivak, Sivak Applied Research. Although both diesel and gasoline are made from oil, the trends in their prices do not always go in parallel. One reason is that the demands for these two fuels do not necessarily follow each other. A case in point is the situation during... Read more →

Cummins Inc. and Tula Technology, Inc., developer of Dynamic Skip Fire cylinder deactivation technology (earlier post), collaborated on a significant technical demonstration of diesel Dynamic Skip Fire (dDSF) cylinder deactivation. By using dDSF software to control cylinder deactivation in a diesel engine, Cummins and Tula demonstrated significant reductions in emissions... Read more →

Audi has introduced the second generation of its A3 Sedan. The compact four-door model offers three powertrains at launch: two TFSI versions (one with a 48V mild-hybrid system) and one TDI diesel. The 35 TFSI, a 1.5-liter direct injection engine, produces 110 kW (150 PS) and is available in two... Read more →