Green Car Congress

APRIL 12, 2023

The US Department of Energy (DOE) is proposing a significant revision in its procedures for calculating a value for the petroleum-equivalent fuel economy of EVs for use in the Corporate Average Fuel Economy (CAFE) program administered by the Department of Transportation (DOT). DOE published a final rule on 12 June 2000.

Fuel Economy 150

Fuel Economy Economy Fuel 2000 150

Green Car Congress

APRIL 12, 2018

Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine. —Han et al.

Fuel Economy 186

Fuel Economy Gasoline Economy Emissions 186

Green Car Congress

JULY 1, 2011

Liquid injection LPG delivers significant driveability and operating improvements compared to the previous E-Gas venturi-style vapor system offered by Ford, including better fuel economy and substantial increases in both power and torque outputs. —Bob Graziano, President & CEO, Ford Australia.

Australia 270

Australia Ford Engine Fuel 270

Clean Fleet Report

JANUARY 25, 2022

There are four driver-selectable drive modes of Normal, Custom, Sport and Sport+ that adjust the engine, steering and transmission responses to maximize fuel economy or performance. Fuel economy numbers reported by Clean Fleet Report are non-scientific and represent the reviewer’s driving experience using the dash gauge computer.

Kia 74

Kia MPG Fuel Economy Clean 74

Green Car Congress

NOVEMBER 16, 2011

The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. mpg US (5.87 L/100km) in model year 2021, and 49.6 improvements.

Fuel Economy 338

Fuel Economy EPA Economy MPG 338

Green Car Congress

DECEMBER 23, 2011

In our scenarios, transportation subsectors were shifted to electrified (plug-in electric vehicles (PEVs) and fuel cell vehicles (FCVs)) vehicles as much as deemed realistic. And the remaining non-electrified transport was made as efficient as possible to reduce the amount of liquid fuels needed. —Yang et al.

2005 250

2005 Transportation California Energy 250

Green Car Congress

DECEMBER 10, 2009

In addition to demonstrating better fuel consumption results than current advanced gasoline engines, the Omnivore engine has successfully demonstrated homogeneous charge compression ignition (HCCI) down to extremely light loads. At 2000 rpm and up to approximately 2.7

Fuel Economy 218

Fuel Economy Engine Light Fuel 218