Remove Alternative Fuels Remove Comparison Remove Exhaust Remove Fleet
article thumbnail

Study suggests high-mileage light-duty fleets contribute higher emissions and emissions share than expected

Green Car Congress

A study by researchers from the University of Denver and the University of Puget Sound indicates that high-mileage light-duty fleets contribute higher emissions and emissions share than expected based on their actual numbers in the fleet. —Bishop et al. In their study, Bishop et al.

Emissions 150
article thumbnail

Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

Green Car Congress

Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. This is due to raw, externally premixed fresh charge comprising air, fuel and lube oil being short-circuited into the exhaust during the scavenging process. Oh and Plante. Click to enlarge.

Engine 329
article thumbnail

New FOX method estimates black carbon emissions from civil aviation ~2.7 times higher than standard estimates

Green Car Congress

Comparison between estimated EI BC and measured EI BC derived FOA3 (black open box), the FOA3 approach with the updated SN-CI correlation (blue triangle), and estimates obtained from the new FOX method (red circle) that are not dependent on SN. Gg/year and 0.035 g/kg-fuel). Gg/year and 0.035 g/kg-fuel). Click to enlarge.

Emissions 199
article thumbnail

Road Test: 2021 Ford Mustang EcoBoost Premium

Clean Fleet Report

Clean Fleet Report spent a week in the rear-wheel drive 2021 Ford Mustang EcoBoost Premium Fastback, powered by a high-performance turbocharged 2.3-liter This car begs to be driven with great elan , so real world driving will use more fuel. Clean Fleet Report’s 2021 Ford Mustang EcoBoost Premium coupe had a base price of $32,175.

Ford 84
article thumbnail

Road Test: 2023 Volkswagen Taos SEL 4Motion

Clean Fleet Report

Fuel economy is EPA-rated at 28 mpg city/36 highway/31 combined for the FWD Taos, with the 4Motion rated at 25/32/28. A steady road warrior Clean Fleet Report was in the Taos SEL 4Motion for a week, spending most of our time on Southern California freeways. In 371 miles we averaged 28.6 Your numbers may differ.

article thumbnail

Road Test: 2021 Hyundai Palisade Calligraphy AWD

Clean Fleet Report

Clean Fleet Report drove the 2021 Hyundai Palisade Calligraphy AWD with the 3.8-liter To aid in fuel economy the Palisade has a start-stop feature where the engine shuts off when coming to a stop and restarts automatically. Hyundai debuted the Palisade in 2020 to nearly unanimous reviews and praise for its design, features and value.

Hyundai 105
article thumbnail

Road Test: 2021 Volkswagen Atlas Cross Sport V6 SEL Premium R-Line

Clean Fleet Report

Clean Fleet Report drove the 2021 Volkswagen Atlas Cross Sport SEL Premium R-Line 4Motion. liter V6, the 4Motion permanent all-wheel drive system and an eight-speed Tiptronic automatic transmission, the EPA rates the fuel economy at 17 mpg city/23 highway/19 combined. Adding extra style to VW SUV functionality. Smooth V6 Power.

MPG 81