article thumbnail

Komatsu to exhibit 20-ton-class Proterra-Powered electric hydraulic excavator at bauma 2022

Green Car Congress

Komatsu will exhibit a 20-ton-class electric hydraulic excavator equipped with a lithium-ion battery system for the first time at bauma2022. 20-ton class electric hydraulic excavator. 20-ton class electric hydraulic excavator. The machine is powered by a 451 kWh lithium-ion battery system from US-based Proterra.

article thumbnail

Mercedes-AMG entry-level SL 43 features electric exhaust gas turbocharger from Formula 1 for the first time in production vehicle

Green Car Congress

The SL 43 features an M139 in-line two-liter, four-cylinder gasoline engine with an electric exhaust gas turbocharger—used for the first time in a production vehicle. The system in the SL 43 is a direct derivative of the development successfully used by the Mercedes-AMG Petronas F1 Team for many years in the premier class of motorsport.

Exhaust 408
article thumbnail

ClearFlame Engine Technologies completes on-road demo of Class 8 truck with Cummins X15 running E98 ethanol

Green Car Congress

The demonstration of ClearFlame’s engine technology was implemented by taking a Class 8 diesel truck running on a Cummins X15 500hp 15L heavy-duty engine—commonly used for long-haul truck and off-highway applications—and converting it to run on renewable E98 ethanol.

Engine 334
article thumbnail

Study finds automobile tires are a potential source of carcinogenic dibenzopyrenes to the environment

Green Car Congress

A new study by researchers from Stockholm University concludes that automobile tires may be a potential previously unknown source of carcinogenic dibenzopyrenes—a type of high molecular weight polycyclic aromatic hydrocarbon (PAH)—to the environment. PAHs are a class of organic compounds produced by incomplete.

article thumbnail

The importance of considering non-exhaust traffic emissions; the role of EVs

Green Car Congress

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al. Background.

Exhaust 150
article thumbnail

New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

Green Car Congress

Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. and octahedral coordination environments, respectively. Mullite oxides (Sm, Gd)Mn 2 O 5 have an orthorhombic structure in which Mn 3+ and and Mn 4+.

Exhaust 240
article thumbnail

DHE begins piloting Volvo VNR Electric heavy-duty trucks in SoCal fleet

Green Car Congress

Freight operator Dependable Highway Express (DHE) has received two Volvo VNR Electric trucks—the first battery-electric Class 8 trucks to join DHE’s fleet. DHE will begin operating the two Volvo VNR Electric trucks out of its facility in Ontario, California, which manages a fleet of 40 Class 8 trucks.

Volvo 307