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Critical questions for Facebook's virtual reality: Data, power and the metaverse

Egliston, Ben; Carter, Marcus - In: Internet Policy Review 10 (2021) 4, pp. 1-23

Virtual Reality (VR) represents an emerging class of spatial computing technology reliant upon the capture and processing of data about the user (such as their body and its interface with the hardware), or their surrounding environment. Much like digital media more generally, there are growing...

Persistent link: https://www.econbiz.de/10012876087

Design-for-testing for improved remanufacturability

Tant, Katherine M. M.; Mulholland, Anthony J.; Curtis, … - In: Journal of Remanufacturing 9 (2019) 1, pp. 61-72

By definition, a remanufactured product must perform to the same (or higher) level as the original product, and must therefore be issued a warranty of the same (or longer) duration. However, many components of remanufactured products will have been subjected to regular stresses in their first...

Persistent link: https://www.econbiz.de/10012499859

The Speed Limits Debate: Is Effective A Temporary Change? The Case Of Spain.

Castro-Nuno, Mercedes; Castillo-Manzano, José I.; … - 2013

Nowadays, speeding is one of the most relevant problems for traffic safety and most resistant to change in motorized countries. The key instruments in Speed Management Policy are speed limits. This road safety strategy is often established or changed, in order to save fuel during periods of...

Persistent link: https://www.econbiz.de/10011397320

Substitution between Cars within the Household

Borger, Bruno De; Mulalic, Ismir; Rouwendal, Jan - 2013

In this paper we study the demand for car kilometres in two-car households, focusing on the substitution between cars in response to fuel price changes. We use a large sample of detailed Danish data on two-car households to estimate -- for each car owned by the household -- own and cross-price...

Persistent link: https://www.econbiz.de/10010326347

Kraftfahrzeugverkehr 2006 trotz konjunkturellen Aufschwungs nur wenig gestiegen

Kalinowska, Dominika; Kunert, Uwe - In: DIW Wochenbericht 74 (2007) 40, pp. 573-580

Seit Anfang dieses Jahrzehnts bewegt sich die Gesamtfahrleistung der in Deutschland zugelassenen Kraftfahrzeuge knapp unterhalb von 700 Mrd. Kilometern jährlich. Während im Jahr 2005 die deutschen Kraftfahrzeuge insgesamt etwas weniger gefahren wurden als im Vorjahr, ist 2006 die Belastung der...

Persistent link: https://www.econbiz.de/10011601756

More efficiency in fuel consumption using gearbox optimization based on Taguchi method

Goharimanesh, Masoud; Akbari, Aliakbar; Tootoonchi, … - In: Journal of Industrial Engineering International 10 (2014), pp. 1-8

Automotive emission is becoming a critical threat to today's human health. Many researchers are studying engine designs leading to less fuel consumption. Gearbox selection plays a key role in an engine design. In this study, Taguchi quality engineering method is employed, and optimum gear ratios...

Persistent link: https://www.econbiz.de/10011640807

Use of an integrated suite of sensors to simultaneously monitor fuel consumption, air quality, and adoption provides important insights and validates impact metrics for household s...

Miller, Heather; Shrestha, Janam; Lefebvre, Olivier; … - In: Development Engineering 7 (2022), pp. 1-13

of use were obtained using sensor suites consisting of stove temperature sensors (EXACT), household air pollution sensors … (HAPEx), and fuel use sensors (FUEL) deployed in 48 households in the Taplejung and Panchthar districts of eastern Nepal …

Persistent link: https://www.econbiz.de/10014558478

Something from Nothing: Estimating Consumption Rates Using Propensity Scores, with Application to Emissions Reduction Policies

Bardsley, Nicholas; Büchs, Milena; Schnepf, Sylke V. - 2016

Consumption surveys often record zero purchases of a good because of a short observation window. Only mean consumption rates can then be inferred. We show that propensity scores can be used to estimate each unit's consumption rate, revealing the distribution. We demonstrate the method using the...

Persistent link: https://www.econbiz.de/10011479225

Location decision making and transportation route planning considering fuel consumption

In: Journal of Open Innovation: Technology, Market, and … 5 (2019) 2, pp. 1-19

locating facilities and vehicle routing decisions to solve the problem. The case study is the Palm Oil Collection Center, which …-opening cost, fixed cost of vehicle uses and fuel consumption cost. The fuel consumption cost relies on the distance and road … conditions, in case of poor physical condition of a road, and its width, which can be affected the speed of the vehicle as well …

Persistent link: https://www.econbiz.de/10012620241

Techno-economic comparison of the FUEL sensor and Kitchen Performance Test to quantify household fuel consumption with multiple cookstoves and fuels

Ventrella, Jennifer; Lefebvre, Olivier; MacCarty, Nordica - In: Development Engineering 5 (2020), pp. 1-11

Quantifying the impact of improved stoves and fuels designed to combat the health and environmental burdens of traditional cooking is necessary to ensure sustainable outcomes but remains challenging for practitioners. The current standard method to determine household fuel consumption, the...

Persistent link: https://www.econbiz.de/10012623053

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