Remove Comparison Remove Cost Of Remove Downsizing Remove Economy
article thumbnail

FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. In comparison, naturally aspirated engines have a higher compression ratio in the order of 1 to 1.5

article thumbnail

ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

Green Car Congress

The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. Meeting the 2025 standard will require an average improvement in fuel economy of about 4.1% Background.

Diesel 186
article thumbnail

AVL Concept Turbohybrid Mild Hybrid System Approaches Full Hybrid Fuel Savings at Lower Cost; Improved Driveability

Green Car Congress

Comparison of Fuel Consumption, Fun to Drive and System Cost of the different powertrain concepts. However, the system cost of the Turbohybrid was 150% that of the baseline, while the system cost of the full hybrid was more than 300% that of the baseline. Downsizing a gasoline engine (e.g., Click to enlarge.

Hybrid 150
article thumbnail

National Research Council Study Finds That Available Technologies Can Result in Significant Fuel Savings for Passenger Vehicles Over the Next 15 Years, But at Higher Purchase Prices for Consumers

Green Car Congress

Among the findings were: Adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29% at an additional cost of $2,200 to the consumer. For example, the report notes the promise of cylinder deactivation, turbocharging and downsizing.

Purchase 210
article thumbnail

SAE technical experts: fuel cell technology has advanced significantly, FC vehicle production has begun, further cost reductions & infrastructure development required

Green Car Congress

Employing original Honda technologies, the fuel cell stack for this model was downsized by 33% compared to the previous version of the fuel cell stack yet delivers 130 kW of output, with an output density of 3.1 Cost, productivity, efficiency and fuel economy now offer the highest focus for technology investment, he said.

Fuel 150
article thumbnail

ICCT-led analysis of turbocharged, downsized engine tech finds lower costs and greater benefits than 2012 EPA/NHTSA analysis; 48V, e-boost, Miller

Green Car Congress

A new white paper published by the International Council on Clean Transportation (ICCT), in collaboration with Eaton, Ricardo, JCI, BorgWarner, Honeywell, and the ITB Group, analyzes current turbocharged, downsized gasoline engine technology developments and trends. Source: ICCT. Click to enlarge.

article thumbnail

Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

Green Car Congress

General project targets were to deliver diesel-like or better fuel economy using E10 gasoline (RON91), and to achieve low engine-out NO x and PM using low temperature combustion, the intention being to avoid the cost of aftertreatment for NO x and PM, in addition to meeting more stringent standards. DOE UFEV program targets.

Gasoline 304